Home / 2,888,713.20-4,331,903.40-994,479.60

Finding the Fourth Proportional to 2,888,713.20, 4,331,903.40 and 994,479.60

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Solution

The fourth proportional to 2,888,713.20, 4,331,903.40 and 994,479.60 is: 1,491,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,713.20 : 4,331,903.40 = 994,479.60 : x
  2. Step 2: Convert to fraction form
    2,888,713.20/4,331,903.40 = 994,479.60/x
  3. Step 3: Cross multiply
    2,888,713.20x = 4,331,903.40 × 994,479.60
  4. Step 4: Simplify right side
    2,888,713.20x = 4,307,989,560,470.64
  5. Step 5: Solve for x
    x = 4,307,989,560,470.64/2,888,713.20
  6. Step 6: Final answer
    x = 1,491,317.85

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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.