Home / 2,156,709.24-3,234,947.22-660,805.56

Finding the Fourth Proportional to 2,156,709.24, 3,234,947.22 and 660,805.56

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Solution

The fourth proportional to 2,156,709.24, 3,234,947.22 and 660,805.56 is: 991,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,709.24 : 3,234,947.22 = 660,805.56 : x
  2. Step 2: Convert to fraction form
    2,156,709.24/3,234,947.22 = 660,805.56/x
  3. Step 3: Cross multiply
    2,156,709.24x = 3,234,947.22 × 660,805.56
  4. Step 4: Simplify right side
    2,156,709.24x = 2,137,671,109,282.54
  5. Step 5: Solve for x
    x = 2,137,671,109,282.54/2,156,709.24
  6. Step 6: Final answer
    x = 991,172.60

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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.