Home / 5,102,142-7,653,562.92-1,690,422

Finding the Fourth Proportional to 5,102,142, 7,653,562.92 and 1,690,422

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Solution

The fourth proportional to 5,102,142, 7,653,562.92 and 1,690,422 is: 2,535,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102,142 : 7,653,562.92 = 1,690,422 : x
  2. Step 2: Convert to fraction form
    5,102,142/7,653,562.92 = 1,690,422/x
  3. Step 3: Cross multiply
    5,102,142x = 7,653,562.92 × 1,690,422
  4. Step 4: Simplify right side
    5,102,142x = 12,937,751,138,352.24
  5. Step 5: Solve for x
    x = 12,937,751,138,352.24/5,102,142
  6. Step 6: Final answer
    x = 2,535,748.93

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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.