Home / 1,608,147.39-2,412,221.09-1,253,428.95

Finding the Fourth Proportional to 1,608,147.39, 2,412,221.09 and 1,253,428.95

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Solution

The fourth proportional to 1,608,147.39, 2,412,221.09 and 1,253,428.95 is: 1,880,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,147.39 : 2,412,221.09 = 1,253,428.95 : x
  2. Step 2: Convert to fraction form
    1,608,147.39/2,412,221.09 = 1,253,428.95/x
  3. Step 3: Cross multiply
    1,608,147.39x = 2,412,221.09 × 1,253,428.95
  4. Step 4: Simplify right side
    1,608,147.39x = 3,023,547,741,739.41
  5. Step 5: Solve for x
    x = 3,023,547,741,739.41/1,608,147.39
  6. Step 6: Final answer
    x = 1,880,143.43

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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.