Home / 2,155,219.28-3,232,711.64-659,311.28

Finding the Fourth Proportional to 2,155,219.28, 3,232,711.64 and 659,311.28

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Solution

The fourth proportional to 2,155,219.28, 3,232,711.64 and 659,311.28 is: 988,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,219.28 : 3,232,711.64 = 659,311.28 : x
  2. Step 2: Convert to fraction form
    2,155,219.28/3,232,711.64 = 659,311.28/x
  3. Step 3: Cross multiply
    2,155,219.28x = 3,232,711.64 × 659,311.28
  4. Step 4: Simplify right side
    2,155,219.28x = 2,131,363,249,239.30
  5. Step 5: Solve for x
    x = 2,131,363,249,239.30/2,155,219.28
  6. Step 6: Final answer
    x = 988,931.04

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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.