Home / 2,567,385.20-3,849,619.80-970,000.40

Finding the Fourth Proportional to 2,567,385.20, 3,849,619.80 and 970,000.40

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Solution

The fourth proportional to 2,567,385.20, 3,849,619.80 and 970,000.40 is: 1,454,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,385.20 : 3,849,619.80 = 970,000.40 : x
  2. Step 2: Convert to fraction form
    2,567,385.20/3,849,619.80 = 970,000.40/x
  3. Step 3: Cross multiply
    2,567,385.20x = 3,849,619.80 × 970,000.40
  4. Step 4: Simplify right side
    2,567,385.20x = 3,734,132,745,847.92
  5. Step 5: Solve for x
    x = 3,734,132,745,847.92/2,567,385.20
  6. Step 6: Final answer
    x = 1,454,449.74

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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.