Home / 2,121,330.78-3,182,392.26-702,385.74

Finding the Fourth Proportional to 2,121,330.78, 3,182,392.26 and 702,385.74

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Solution

The fourth proportional to 2,121,330.78, 3,182,392.26 and 702,385.74 is: 1,053,709.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,330.78 : 3,182,392.26 = 702,385.74 : x
  2. Step 2: Convert to fraction form
    2,121,330.78/3,182,392.26 = 702,385.74/x
  3. Step 3: Cross multiply
    2,121,330.78x = 3,182,392.26 × 702,385.74
  4. Step 4: Simplify right side
    2,121,330.78x = 2,235,266,942,510.37
  5. Step 5: Solve for x
    x = 2,235,266,942,510.37/2,121,330.78
  6. Step 6: Final answer
    x = 1,053,709.76

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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.