Home / 5,398,175.40-8,092,079.10-3,121,362.60

Finding the Fourth Proportional to 5,398,175.40, 8,092,079.10 and 3,121,362.60

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Solution

The fourth proportional to 5,398,175.40, 8,092,079.10 and 3,121,362.60 is: 4,679,046.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398,175.40 : 8,092,079.10 = 3,121,362.60 : x
  2. Step 2: Convert to fraction form
    5,398,175.40/8,092,079.10 = 3,121,362.60/x
  3. Step 3: Cross multiply
    5,398,175.40x = 8,092,079.10 × 3,121,362.60
  4. Step 4: Simplify right side
    5,398,175.40x = 25,258,313,058,981.66
  5. Step 5: Solve for x
    x = 25,258,313,058,981.66/5,398,175.40
  6. Step 6: Final answer
    x = 4,679,046.38

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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.