Home / 2,155,240.70-3,232,743.85-659,332.70

Finding the Fourth Proportional to 2,155,240.70, 3,232,743.85 and 659,332.70

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Solution

The fourth proportional to 2,155,240.70, 3,232,743.85 and 659,332.70 is: 988,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,240.70 : 3,232,743.85 = 659,332.70 : x
  2. Step 2: Convert to fraction form
    2,155,240.70/3,232,743.85 = 659,332.70/x
  3. Step 3: Cross multiply
    2,155,240.70x = 3,232,743.85 × 659,332.70
  4. Step 4: Simplify right side
    2,155,240.70x = 2,131,453,731,028.90
  5. Step 5: Solve for x
    x = 2,131,453,731,028.90/2,155,240.70
  6. Step 6: Final answer
    x = 988,963.20

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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.