Home / 5,785,129.60-8,679,076.80-2,790,851.20

Finding the Fourth Proportional to 5,785,129.60, 8,679,076.80 and 2,790,851.20

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Solution

The fourth proportional to 5,785,129.60, 8,679,076.80 and 2,790,851.20 is: 4,186,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785,129.60 : 8,679,076.80 = 2,790,851.20 : x
  2. Step 2: Convert to fraction form
    5,785,129.60/8,679,076.80 = 2,790,851.20/x
  3. Step 3: Cross multiply
    5,785,129.60x = 8,679,076.80 × 2,790,851.20
  4. Step 4: Simplify right side
    5,785,129.60x = 24,222,011,902,172.16
  5. Step 5: Solve for x
    x = 24,222,011,902,172.16/5,785,129.60
  6. Step 6: Final answer
    x = 4,186,943.69

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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.