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Finding the Fourth Proportional to 2,812,014, 4,218,740.28 and 817,470

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Solution

The fourth proportional to 2,812,014, 4,218,740.28 and 817,470 is: 1,226,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,014 : 4,218,740.28 = 817,470 : x
  2. Step 2: Convert to fraction form
    2,812,014/4,218,740.28 = 817,470/x
  3. Step 3: Cross multiply
    2,812,014x = 4,218,740.28 × 817,470
  4. Step 4: Simplify right side
    2,812,014x = 3,448,693,616,691.60
  5. Step 5: Solve for x
    x = 3,448,693,616,691.60/2,812,014
  6. Step 6: Final answer
    x = 1,226,414.10

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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.