Home / 2,982,126.78-4,473,190.20-738,264.78

Finding the Fourth Proportional to 2,982,126.78, 4,473,190.20 and 738,264.78

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Solution

The fourth proportional to 2,982,126.78, 4,473,190.20 and 738,264.78 is: 1,107,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982,126.78 : 4,473,190.20 = 738,264.78 : x
  2. Step 2: Convert to fraction form
    2,982,126.78/4,473,190.20 = 738,264.78/x
  3. Step 3: Cross multiply
    2,982,126.78x = 4,473,190.20 × 738,264.78
  4. Step 4: Simplify right side
    2,982,126.78x = 3,302,398,778,901.16
  5. Step 5: Solve for x
    x = 3,302,398,778,901.16/2,982,126.78
  6. Step 6: Final answer
    x = 1,107,397.18

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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.