Home / 2,890,685.12-4,336,031.12-868,929.17

Finding the Fourth Proportional to 2,890,685.12, 4,336,031.12 and 868,929.17

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Solution

The fourth proportional to 2,890,685.12, 4,336,031.12 and 868,929.17 is: 1,303,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,685.12 : 4,336,031.12 = 868,929.17 : x
  2. Step 2: Convert to fraction form
    2,890,685.12/4,336,031.12 = 868,929.17/x
  3. Step 3: Cross multiply
    2,890,685.12x = 4,336,031.12 × 868,929.17
  4. Step 4: Simplify right side
    2,890,685.12x = 3,767,703,896,170.97
  5. Step 5: Solve for x
    x = 3,767,703,896,170.97/2,890,685.12
  6. Step 6: Final answer
    x = 1,303,394.78

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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.