Home / 2,792,720.60-4,189,080.90-2,491,570.70

Finding the Fourth Proportional to 2,792,720.60, 4,189,080.90 and 2,491,570.70

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Solution

The fourth proportional to 2,792,720.60, 4,189,080.90 and 2,491,570.70 is: 3,737,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,720.60 : 4,189,080.90 = 2,491,570.70 : x
  2. Step 2: Convert to fraction form
    2,792,720.60/4,189,080.90 = 2,491,570.70/x
  3. Step 3: Cross multiply
    2,792,720.60x = 4,189,080.90 × 2,491,570.70
  4. Step 4: Simplify right side
    2,792,720.60x = 10,437,391,230,369.63
  5. Step 5: Solve for x
    x = 10,437,391,230,369.63/2,792,720.60
  6. Step 6: Final answer
    x = 3,737,356.05

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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.