Home / 5,328,359.28-7,990,435.08-2,132,889.84

Finding the Fourth Proportional to 5,328,359.28, 7,990,435.08 and 2,132,889.84

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Solution

The fourth proportional to 5,328,359.28, 7,990,435.08 and 2,132,889.84 is: 3,198,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,359.28 : 7,990,435.08 = 2,132,889.84 : x
  2. Step 2: Convert to fraction form
    5,328,359.28/7,990,435.08 = 2,132,889.84/x
  3. Step 3: Cross multiply
    5,328,359.28x = 7,990,435.08 × 2,132,889.84
  4. Step 4: Simplify right side
    5,328,359.28x = 17,042,717,799,311.59
  5. Step 5: Solve for x
    x = 17,042,717,799,311.59/5,328,359.28
  6. Step 6: Final answer
    x = 3,198,492.61

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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.