Home / 5,439,391.35-7,505,822.19-3,115,837.80

Finding the Fourth Proportional to 5,439,391.35, 7,505,822.19 and 3,115,837.80

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Solution

The fourth proportional to 5,439,391.35, 7,505,822.19 and 3,115,837.80 is: 4,299,548.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,391.35 : 7,505,822.19 = 3,115,837.80 : x
  2. Step 2: Convert to fraction form
    5,439,391.35/7,505,822.19 = 3,115,837.80/x
  3. Step 3: Cross multiply
    5,439,391.35x = 7,505,822.19 × 3,115,837.80
  4. Step 4: Simplify right side
    5,439,391.35x = 23,386,924,499,680.78
  5. Step 5: Solve for x
    x = 23,386,924,499,680.78/5,439,391.35
  6. Step 6: Final answer
    x = 4,299,548.06

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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.