Home / 2,187,371.40-3,281,057.10-1,337,065.80

Finding the Fourth Proportional to 2,187,371.40, 3,281,057.10 and 1,337,065.80

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Solution

The fourth proportional to 2,187,371.40, 3,281,057.10 and 1,337,065.80 is: 2,005,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,371.40 : 3,281,057.10 = 1,337,065.80 : x
  2. Step 2: Convert to fraction form
    2,187,371.40/3,281,057.10 = 1,337,065.80/x
  3. Step 3: Cross multiply
    2,187,371.40x = 3,281,057.10 × 1,337,065.80
  4. Step 4: Simplify right side
    2,187,371.40x = 4,386,989,236,257.18
  5. Step 5: Solve for x
    x = 4,386,989,236,257.18/2,187,371.40
  6. Step 6: Final answer
    x = 2,005,598.70

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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.