Home / 6,121,330.80-9,181,996.20-1,861,492.20

Finding the Fourth Proportional to 6,121,330.80, 9,181,996.20 and 1,861,492.20

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Solution

The fourth proportional to 6,121,330.80, 9,181,996.20 and 1,861,492.20 is: 2,792,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121,330.80 : 9,181,996.20 = 1,861,492.20 : x
  2. Step 2: Convert to fraction form
    6,121,330.80/9,181,996.20 = 1,861,492.20/x
  3. Step 3: Cross multiply
    6,121,330.80x = 9,181,996.20 × 1,861,492.20
  4. Step 4: Simplify right side
    6,121,330.80x = 17,092,214,306,729.64
  5. Step 5: Solve for x
    x = 17,092,214,306,729.64/6,121,330.80
  6. Step 6: Final answer
    x = 2,792,238.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.