Home / 2,161,562.91-3,242,696.73-665,654.91

Finding the Fourth Proportional to 2,161,562.91, 3,242,696.73 and 665,654.91

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Solution

The fourth proportional to 2,161,562.91, 3,242,696.73 and 665,654.91 is: 998,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,562.91 : 3,242,696.73 = 665,654.91 : x
  2. Step 2: Convert to fraction form
    2,161,562.91/3,242,696.73 = 665,654.91/x
  3. Step 3: Cross multiply
    2,161,562.91x = 3,242,696.73 × 665,654.91
  4. Step 4: Simplify right side
    2,161,562.91x = 2,158,516,996,637.17
  5. Step 5: Solve for x
    x = 2,158,516,996,637.17/2,161,562.91
  6. Step 6: Final answer
    x = 998,590.87

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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.