Home / 2,998,428.06-4,497,642.18-868,512.90

Finding the Fourth Proportional to 2,998,428.06, 4,497,642.18 and 868,512.90

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Solution

The fourth proportional to 2,998,428.06, 4,497,642.18 and 868,512.90 is: 1,302,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,428.06 : 4,497,642.18 = 868,512.90 : x
  2. Step 2: Convert to fraction form
    2,998,428.06/4,497,642.18 = 868,512.90/x
  3. Step 3: Cross multiply
    2,998,428.06x = 4,497,642.18 × 868,512.90
  4. Step 4: Simplify right side
    2,998,428.06x = 3,906,260,252,914.12
  5. Step 5: Solve for x
    x = 3,906,260,252,914.12/2,998,428.06
  6. Step 6: Final answer
    x = 1,302,769.38

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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.