Home / 2,129,274.76-3,193,732.22-689,927.70

Finding the Fourth Proportional to 2,129,274.76, 3,193,732.22 and 689,927.70

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Solution

The fourth proportional to 2,129,274.76, 3,193,732.22 and 689,927.70 is: 1,034,833.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,274.76 : 3,193,732.22 = 689,927.70 : x
  2. Step 2: Convert to fraction form
    2,129,274.76/3,193,732.22 = 689,927.70/x
  3. Step 3: Cross multiply
    2,129,274.76x = 3,193,732.22 × 689,927.70
  4. Step 4: Simplify right side
    2,129,274.76x = 2,203,444,324,960.49
  5. Step 5: Solve for x
    x = 2,203,444,324,960.49/2,129,274.76
  6. Step 6: Final answer
    x = 1,034,833.25

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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.