Home / 3,162,057.28-4,743,217.12-918,195.28

Finding the Fourth Proportional to 3,162,057.28, 4,743,217.12 and 918,195.28

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Solution

The fourth proportional to 3,162,057.28, 4,743,217.12 and 918,195.28 is: 1,377,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,057.28 : 4,743,217.12 = 918,195.28 : x
  2. Step 2: Convert to fraction form
    3,162,057.28/4,743,217.12 = 918,195.28/x
  3. Step 3: Cross multiply
    3,162,057.28x = 4,743,217.12 × 918,195.28
  4. Step 4: Simplify right side
    3,162,057.28x = 4,355,199,571,599.19
  5. Step 5: Solve for x
    x = 4,355,199,571,599.19/3,162,057.28
  6. Step 6: Final answer
    x = 1,377,331.02

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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.