Home / 3,612,174.60-5,418,089.10-1,215,784.20

Finding the Fourth Proportional to 3,612,174.60, 5,418,089.10 and 1,215,784.20

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Solution

The fourth proportional to 3,612,174.60, 5,418,089.10 and 1,215,784.20 is: 1,823,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,174.60 : 5,418,089.10 = 1,215,784.20 : x
  2. Step 2: Convert to fraction form
    3,612,174.60/5,418,089.10 = 1,215,784.20/x
  3. Step 3: Cross multiply
    3,612,174.60x = 5,418,089.10 × 1,215,784.20
  4. Step 4: Simplify right side
    3,612,174.60x = 6,587,227,121,972.22
  5. Step 5: Solve for x
    x = 6,587,227,121,972.22/3,612,174.60
  6. Step 6: Final answer
    x = 1,823,618.14

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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.