Home / 2,643,608.10-3,965,412.15-2,507,139.30

Finding the Fourth Proportional to 2,643,608.10, 3,965,412.15 and 2,507,139.30

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Solution

The fourth proportional to 2,643,608.10, 3,965,412.15 and 2,507,139.30 is: 3,760,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,608.10 : 3,965,412.15 = 2,507,139.30 : x
  2. Step 2: Convert to fraction form
    2,643,608.10/3,965,412.15 = 2,507,139.30/x
  3. Step 3: Cross multiply
    2,643,608.10x = 3,965,412.15 × 2,507,139.30
  4. Step 4: Simplify right side
    2,643,608.10x = 9,941,840,641,962.49
  5. Step 5: Solve for x
    x = 9,941,840,641,962.49/2,643,608.10
  6. Step 6: Final answer
    x = 3,760,708.95

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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.