Home / 2,161,562.16-3,242,695.60-665,654.16

Finding the Fourth Proportional to 2,161,562.16, 3,242,695.60 and 665,654.16

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Solution

The fourth proportional to 2,161,562.16, 3,242,695.60 and 665,654.16 is: 998,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,562.16 : 3,242,695.60 = 665,654.16 : x
  2. Step 2: Convert to fraction form
    2,161,562.16/3,242,695.60 = 665,654.16/x
  3. Step 3: Cross multiply
    2,161,562.16x = 3,242,695.60 × 665,654.16
  4. Step 4: Simplify right side
    2,161,562.16x = 2,158,513,815,753.70
  5. Step 5: Solve for x
    x = 2,158,513,815,753.70/2,161,562.16
  6. Step 6: Final answer
    x = 998,589.75

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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.