Home / 2,754,400.80-4,131,601.20-1,158,765.60

Finding the Fourth Proportional to 2,754,400.80, 4,131,601.20 and 1,158,765.60

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Solution

The fourth proportional to 2,754,400.80, 4,131,601.20 and 1,158,765.60 is: 1,738,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,400.80 : 4,131,601.20 = 1,158,765.60 : x
  2. Step 2: Convert to fraction form
    2,754,400.80/4,131,601.20 = 1,158,765.60/x
  3. Step 3: Cross multiply
    2,754,400.80x = 4,131,601.20 × 1,158,765.60
  4. Step 4: Simplify right side
    2,754,400.80x = 4,787,557,343,478.72
  5. Step 5: Solve for x
    x = 4,787,557,343,478.72/2,754,400.80
  6. Step 6: Final answer
    x = 1,738,148.40

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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.