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Finding the Fourth Proportional to 1,902,792, 2,854,188 and 482,855.52

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Solution

The fourth proportional to 1,902,792, 2,854,188 and 482,855.52 is: 724,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,792 : 2,854,188 = 482,855.52 : x
  2. Step 2: Convert to fraction form
    1,902,792/2,854,188 = 482,855.52/x
  3. Step 3: Cross multiply
    1,902,792x = 2,854,188 × 482,855.52
  4. Step 4: Simplify right side
    1,902,792x = 1,378,160,430,917.76
  5. Step 5: Solve for x
    x = 1,378,160,430,917.76/1,902,792
  6. Step 6: Final answer
    x = 724,283.28

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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.