Home / 2,766,474.40-4,149,711.60-771,930.40

Finding the Fourth Proportional to 2,766,474.40, 4,149,711.60 and 771,930.40

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Solution

The fourth proportional to 2,766,474.40, 4,149,711.60 and 771,930.40 is: 1,157,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,474.40 : 4,149,711.60 = 771,930.40 : x
  2. Step 2: Convert to fraction form
    2,766,474.40/4,149,711.60 = 771,930.40/x
  3. Step 3: Cross multiply
    2,766,474.40x = 4,149,711.60 × 771,930.40
  4. Step 4: Simplify right side
    2,766,474.40x = 3,203,288,535,272.64
  5. Step 5: Solve for x
    x = 3,203,288,535,272.64/2,766,474.40
  6. Step 6: Final answer
    x = 1,157,895.60

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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.