Home / 3,934,862.77-5,430,121.67-2,281,331.22

Finding the Fourth Proportional to 3,934,862.77, 5,430,121.67 and 2,281,331.22

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Solution

The fourth proportional to 3,934,862.77, 5,430,121.67 and 2,281,331.22 is: 3,148,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,862.77 : 5,430,121.67 = 2,281,331.22 : x
  2. Step 2: Convert to fraction form
    3,934,862.77/5,430,121.67 = 2,281,331.22/x
  3. Step 3: Cross multiply
    3,934,862.77x = 5,430,121.67 × 2,281,331.22
  4. Step 4: Simplify right side
    3,934,862.77x = 12,387,906,094,169.54
  5. Step 5: Solve for x
    x = 12,387,906,094,169.54/3,934,862.77
  6. Step 6: Final answer
    x = 3,148,243.49

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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.