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Finding the Fourth Proportional to 2,934,706.60, 4,402,059.90 and 804,787.30

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Solution

The fourth proportional to 2,934,706.60, 4,402,059.90 and 804,787.30 is: 1,207,180.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,706.60 : 4,402,059.90 = 804,787.30 : x
  2. Step 2: Convert to fraction form
    2,934,706.60/4,402,059.90 = 804,787.30/x
  3. Step 3: Cross multiply
    2,934,706.60x = 4,402,059.90 × 804,787.30
  4. Step 4: Simplify right side
    2,934,706.60x = 3,542,721,901,359.27
  5. Step 5: Solve for x
    x = 3,542,721,901,359.27/2,934,706.60
  6. Step 6: Final answer
    x = 1,207,180.95

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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.