Home / 1,998,063.74-2,755,487.61-1,309,484.76

Finding the Fourth Proportional to 1,998,063.74, 2,755,487.61 and 1,309,484.76

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Solution

The fourth proportional to 1,998,063.74, 2,755,487.61 and 1,309,484.76 is: 1,805,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,063.74 : 2,755,487.61 = 1,309,484.76 : x
  2. Step 2: Convert to fraction form
    1,998,063.74/2,755,487.61 = 1,309,484.76/x
  3. Step 3: Cross multiply
    1,998,063.74x = 2,755,487.61 × 1,309,484.76
  4. Step 4: Simplify right side
    1,998,063.74x = 3,608,269,031,663.82
  5. Step 5: Solve for x
    x = 3,608,269,031,663.82/1,998,063.74
  6. Step 6: Final answer
    x = 1,805,882.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.