Home / 2,641,760.10-3,957,974.55-1,643,321.70

Finding the Fourth Proportional to 2,641,760.10, 3,957,974.55 and 1,643,321.70

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Solution

The fourth proportional to 2,641,760.10, 3,957,974.55 and 1,643,321.70 is: 2,462,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641,760.10 : 3,957,974.55 = 1,643,321.70 : x
  2. Step 2: Convert to fraction form
    2,641,760.10/3,957,974.55 = 1,643,321.70/x
  3. Step 3: Cross multiply
    2,641,760.10x = 3,957,974.55 × 1,643,321.70
  4. Step 4: Simplify right side
    2,641,760.10x = 6,504,225,466,062.74
  5. Step 5: Solve for x
    x = 6,504,225,466,062.74/2,641,760.10
  6. Step 6: Final answer
    x = 2,462,080.29

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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.