Home / 6,398,251.80-9,578,715.30-5,726,405.40

Finding the Fourth Proportional to 6,398,251.80, 9,578,715.30 and 5,726,405.40

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Solution

The fourth proportional to 6,398,251.80, 9,578,715.30 and 5,726,405.40 is: 8,572,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398,251.80 : 9,578,715.30 = 5,726,405.40 : x
  2. Step 2: Convert to fraction form
    6,398,251.80/9,578,715.30 = 5,726,405.40/x
  3. Step 3: Cross multiply
    6,398,251.80x = 9,578,715.30 × 5,726,405.40
  4. Step 4: Simplify right side
    6,398,251.80x = 54,851,607,018,982.62
  5. Step 5: Solve for x
    x = 54,851,607,018,982.62/6,398,251.80
  6. Step 6: Final answer
    x = 8,572,905.34

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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.