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Finding the Fourth Proportional to 2,849,802.97, 4,274,712.95 and 690,819.52

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Solution

The fourth proportional to 2,849,802.97, 4,274,712.95 and 690,819.52 is: 1,036,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849,802.97 : 4,274,712.95 = 690,819.52 : x
  2. Step 2: Convert to fraction form
    2,849,802.97/4,274,712.95 = 690,819.52/x
  3. Step 3: Cross multiply
    2,849,802.97x = 4,274,712.95 × 690,819.52
  4. Step 4: Simplify right side
    2,849,802.97x = 2,953,055,148,256.78
  5. Step 5: Solve for x
    x = 2,953,055,148,256.78/2,849,802.97
  6. Step 6: Final answer
    x = 1,036,231.34

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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.