Home / 3,770,139.30-5,655,208.95-1,972,328.10

Finding the Fourth Proportional to 3,770,139.30, 5,655,208.95 and 1,972,328.10

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Solution

The fourth proportional to 3,770,139.30, 5,655,208.95 and 1,972,328.10 is: 2,958,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770,139.30 : 5,655,208.95 = 1,972,328.10 : x
  2. Step 2: Convert to fraction form
    3,770,139.30/5,655,208.95 = 1,972,328.10/x
  3. Step 3: Cross multiply
    3,770,139.30x = 5,655,208.95 × 1,972,328.10
  4. Step 4: Simplify right side
    3,770,139.30x = 11,153,927,523,456.50
  5. Step 5: Solve for x
    x = 11,153,927,523,456.50/3,770,139.30
  6. Step 6: Final answer
    x = 2,958,492.15

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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.