Home / 2,643,126.20-3,640,691.59-1,867,410.49

Finding the Fourth Proportional to 2,643,126.20, 3,640,691.59 and 1,867,410.49

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Solution

The fourth proportional to 2,643,126.20, 3,640,691.59 and 1,867,410.49 is: 2,572,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,126.20 : 3,640,691.59 = 1,867,410.49 : x
  2. Step 2: Convert to fraction form
    2,643,126.20/3,640,691.59 = 1,867,410.49/x
  3. Step 3: Cross multiply
    2,643,126.20x = 3,640,691.59 × 1,867,410.49
  4. Step 4: Simplify right side
    2,643,126.20x = 6,798,665,665,903.12
  5. Step 5: Solve for x
    x = 6,798,665,665,903.12/2,643,126.20
  6. Step 6: Final answer
    x = 2,572,206.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.