Home / 2,087,443.20-3,130,177.89-808,649.61

Finding the Fourth Proportional to 2,087,443.20, 3,130,177.89 and 808,649.61

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Solution

The fourth proportional to 2,087,443.20, 3,130,177.89 and 808,649.61 is: 1,212,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,443.20 : 3,130,177.89 = 808,649.61 : x
  2. Step 2: Convert to fraction form
    2,087,443.20/3,130,177.89 = 808,649.61/x
  3. Step 3: Cross multiply
    2,087,443.20x = 3,130,177.89 × 808,649.61
  4. Step 4: Simplify right side
    2,087,443.20x = 2,531,217,129,979.12
  5. Step 5: Solve for x
    x = 2,531,217,129,979.12/2,087,443.20
  6. Step 6: Final answer
    x = 1,212,592.10

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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.