Home / 3,778,331.43-5,214,098.78-2,146,740.94

Finding the Fourth Proportional to 3,778,331.43, 5,214,098.78 and 2,146,740.94

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Solution

The fourth proportional to 3,778,331.43, 5,214,098.78 and 2,146,740.94 is: 2,962,503.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,331.43 : 5,214,098.78 = 2,146,740.94 : x
  2. Step 2: Convert to fraction form
    3,778,331.43/5,214,098.78 = 2,146,740.94/x
  3. Step 3: Cross multiply
    3,778,331.43x = 5,214,098.78 × 2,146,740.94
  4. Step 4: Simplify right side
    3,778,331.43x = 11,193,319,292,461.10
  5. Step 5: Solve for x
    x = 11,193,319,292,461.10/3,778,331.43
  6. Step 6: Final answer
    x = 2,962,503.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.