Home / 2,156,340.80-3,234,511.20-1,316,532.80

Finding the Fourth Proportional to 2,156,340.80, 3,234,511.20 and 1,316,532.80

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Solution

The fourth proportional to 2,156,340.80, 3,234,511.20 and 1,316,532.80 is: 1,974,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,340.80 : 3,234,511.20 = 1,316,532.80 : x
  2. Step 2: Convert to fraction form
    2,156,340.80/3,234,511.20 = 1,316,532.80/x
  3. Step 3: Cross multiply
    2,156,340.80x = 3,234,511.20 × 1,316,532.80
  4. Step 4: Simplify right side
    2,156,340.80x = 4,258,340,086,767.36
  5. Step 5: Solve for x
    x = 4,258,340,086,767.36/2,156,340.80
  6. Step 6: Final answer
    x = 1,974,799.20

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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.