Home / 5,151,253.12-7,108,598.40-2,828,134.08

Finding the Fourth Proportional to 5,151,253.12, 7,108,598.40 and 2,828,134.08

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Solution

The fourth proportional to 5,151,253.12, 7,108,598.40 and 2,828,134.08 is: 3,902,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,253.12 : 7,108,598.40 = 2,828,134.08 : x
  2. Step 2: Convert to fraction form
    5,151,253.12/7,108,598.40 = 2,828,134.08/x
  3. Step 3: Cross multiply
    5,151,253.12x = 7,108,598.40 × 2,828,134.08
  4. Step 4: Simplify right side
    5,151,253.12x = 20,104,069,396,073.47
  5. Step 5: Solve for x
    x = 20,104,069,396,073.47/5,151,253.12
  6. Step 6: Final answer
    x = 3,902,753.16

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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.