Home / 3,644,188.44-5,465,721.60-1,215,384

Finding the Fourth Proportional to 3,644,188.44, 5,465,721.60 and 1,215,384

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Solution

The fourth proportional to 3,644,188.44, 5,465,721.60 and 1,215,384 is: 1,822,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644,188.44 : 5,465,721.60 = 1,215,384 : x
  2. Step 2: Convert to fraction form
    3,644,188.44/5,465,721.60 = 1,215,384/x
  3. Step 3: Cross multiply
    3,644,188.44x = 5,465,721.60 × 1,215,384
  4. Step 4: Simplify right side
    3,644,188.44x = 6,642,950,581,094.40
  5. Step 5: Solve for x
    x = 6,642,950,581,094.40/3,644,188.44
  6. Step 6: Final answer
    x = 1,822,888.88

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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.