Home / 3,619,996.92-4,995,586.71-1,988,400.15

Finding the Fourth Proportional to 3,619,996.92, 4,995,586.71 and 1,988,400.15

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Solution

The fourth proportional to 3,619,996.92, 4,995,586.71 and 1,988,400.15 is: 2,743,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,996.92 : 4,995,586.71 = 1,988,400.15 : x
  2. Step 2: Convert to fraction form
    3,619,996.92/4,995,586.71 = 1,988,400.15/x
  3. Step 3: Cross multiply
    3,619,996.92x = 4,995,586.71 × 1,988,400.15
  4. Step 4: Simplify right side
    3,619,996.92x = 9,933,225,363,502.01
  5. Step 5: Solve for x
    x = 9,933,225,363,502.01/3,619,996.92
  6. Step 6: Final answer
    x = 2,743,987.24

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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.