Home / 3,120,229.40-4,377,769-3,120,229.40

Finding the Fourth Proportional to 3,120,229.40, 4,377,769 and 3,120,229.40

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Solution

The fourth proportional to 3,120,229.40, 4,377,769 and 3,120,229.40 is: 4,377,769

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,229.40 : 4,377,769 = 3,120,229.40 : x
  2. Step 2: Convert to fraction form
    3,120,229.40/4,377,769 = 3,120,229.40/x
  3. Step 3: Cross multiply
    3,120,229.40x = 4,377,769 × 3,120,229.40
  4. Step 4: Simplify right side
    3,120,229.40x = 13,659,643,540,208.60
  5. Step 5: Solve for x
    x = 13,659,643,540,208.60/3,120,229.40
  6. Step 6: Final answer
    x = 4,377,769

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.