Home / 2,665,394.57-3,998,088.79-868,275.18

Finding the Fourth Proportional to 2,665,394.57, 3,998,088.79 and 868,275.18

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Solution

The fourth proportional to 2,665,394.57, 3,998,088.79 and 868,275.18 is: 1,302,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,394.57 : 3,998,088.79 = 868,275.18 : x
  2. Step 2: Convert to fraction form
    2,665,394.57/3,998,088.79 = 868,275.18/x
  3. Step 3: Cross multiply
    2,665,394.57x = 3,998,088.79 × 868,275.18
  4. Step 4: Simplify right side
    2,665,394.57x = 3,471,441,261,622.54
  5. Step 5: Solve for x
    x = 3,471,441,261,622.54/2,665,394.57
  6. Step 6: Final answer
    x = 1,302,411.77

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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.