Home / 2,145,881.13-3,218,691.36-761,083.66

Finding the Fourth Proportional to 2,145,881.13, 3,218,691.36 and 761,083.66

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Solution

The fourth proportional to 2,145,881.13, 3,218,691.36 and 761,083.66 is: 1,141,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,881.13 : 3,218,691.36 = 761,083.66 : x
  2. Step 2: Convert to fraction form
    2,145,881.13/3,218,691.36 = 761,083.66/x
  3. Step 3: Cross multiply
    2,145,881.13x = 3,218,691.36 × 761,083.66
  4. Step 4: Simplify right side
    2,145,881.13x = 2,449,693,401,134.96
  5. Step 5: Solve for x
    x = 2,449,693,401,134.96/2,145,881.13
  6. Step 6: Final answer
    x = 1,141,579.27

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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.