Home / 3,915,932.68-5,873,899.02-1,391,687.56

Finding the Fourth Proportional to 3,915,932.68, 5,873,899.02 and 1,391,687.56

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Solution

The fourth proportional to 3,915,932.68, 5,873,899.02 and 1,391,687.56 is: 2,087,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,932.68 : 5,873,899.02 = 1,391,687.56 : x
  2. Step 2: Convert to fraction form
    3,915,932.68/5,873,899.02 = 1,391,687.56/x
  3. Step 3: Cross multiply
    3,915,932.68x = 5,873,899.02 × 1,391,687.56
  4. Step 4: Simplify right side
    3,915,932.68x = 8,174,632,194,830.19
  5. Step 5: Solve for x
    x = 8,174,632,194,830.19/3,915,932.68
  6. Step 6: Final answer
    x = 2,087,531.34

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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.