Home / 3,432,042.50-4,738,437.28-2,126,679.71

Finding the Fourth Proportional to 3,432,042.50, 4,738,437.28 and 2,126,679.71

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Solution

The fourth proportional to 3,432,042.50, 4,738,437.28 and 2,126,679.71 is: 2,936,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,042.50 : 4,738,437.28 = 2,126,679.71 : x
  2. Step 2: Convert to fraction form
    3,432,042.50/4,738,437.28 = 2,126,679.71/x
  3. Step 3: Cross multiply
    3,432,042.50x = 4,738,437.28 × 2,126,679.71
  4. Step 4: Simplify right side
    3,432,042.50x = 10,077,138,434,988.03
  5. Step 5: Solve for x
    x = 10,077,138,434,988.03/3,432,042.50
  6. Step 6: Final answer
    x = 2,936,192.79

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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.