Home / 6,121,807.80-9,182,711.70-5,743,894.20

Finding the Fourth Proportional to 6,121,807.80, 9,182,711.70 and 5,743,894.20

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Solution

The fourth proportional to 6,121,807.80, 9,182,711.70 and 5,743,894.20 is: 8,615,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121,807.80 : 9,182,711.70 = 5,743,894.20 : x
  2. Step 2: Convert to fraction form
    6,121,807.80/9,182,711.70 = 5,743,894.20/x
  3. Step 3: Cross multiply
    6,121,807.80x = 9,182,711.70 × 5,743,894.20
  4. Step 4: Simplify right side
    6,121,807.80x = 52,744,524,473,902.14
  5. Step 5: Solve for x
    x = 52,744,524,473,902.14/6,121,807.80
  6. Step 6: Final answer
    x = 8,615,841.30

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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.