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Finding the Fourth Proportional to 1,934,564.60, 2,899,773.30 and 736,023.80

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Solution

The fourth proportional to 1,934,564.60, 2,899,773.30 and 736,023.80 is: 1,103,246.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,564.60 : 2,899,773.30 = 736,023.80 : x
  2. Step 2: Convert to fraction form
    1,934,564.60/2,899,773.30 = 736,023.80/x
  3. Step 3: Cross multiply
    1,934,564.60x = 2,899,773.30 × 736,023.80
  4. Step 4: Simplify right side
    1,934,564.60x = 2,134,302,163,404.54
  5. Step 5: Solve for x
    x = 2,134,302,163,404.54/1,934,564.60
  6. Step 6: Final answer
    x = 1,103,246.78

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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.