Home / 2,155,217.28-3,232,708.64-659,309.28

Finding the Fourth Proportional to 2,155,217.28, 3,232,708.64 and 659,309.28

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Solution

The fourth proportional to 2,155,217.28, 3,232,708.64 and 659,309.28 is: 988,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,217.28 : 3,232,708.64 = 659,309.28 : x
  2. Step 2: Convert to fraction form
    2,155,217.28/3,232,708.64 = 659,309.28/x
  3. Step 3: Cross multiply
    2,155,217.28x = 3,232,708.64 × 659,309.28
  4. Step 4: Simplify right side
    2,155,217.28x = 2,131,354,805,888.18
  5. Step 5: Solve for x
    x = 2,131,354,805,888.18/2,155,217.28
  6. Step 6: Final answer
    x = 988,928.04

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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.