Home / 2,139,660.50-2,953,034.23-1,324,126.92

Finding the Fourth Proportional to 2,139,660.50, 2,953,034.23 and 1,324,126.92

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Solution

The fourth proportional to 2,139,660.50, 2,953,034.23 and 1,324,126.92 is: 1,827,482.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,660.50 : 2,953,034.23 = 1,324,126.92 : x
  2. Step 2: Convert to fraction form
    2,139,660.50/2,953,034.23 = 1,324,126.92/x
  3. Step 3: Cross multiply
    2,139,660.50x = 2,953,034.23 × 1,324,126.92
  4. Step 4: Simplify right side
    2,139,660.50x = 3,910,192,113,259.95
  5. Step 5: Solve for x
    x = 3,910,192,113,259.95/2,139,660.50
  6. Step 6: Final answer
    x = 1,827,482.50

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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.