Home / 2,643,125.83-3,640,691.07-1,867,410.11

Finding the Fourth Proportional to 2,643,125.83, 3,640,691.07 and 1,867,410.11

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Solution

The fourth proportional to 2,643,125.83, 3,640,691.07 and 1,867,410.11 is: 2,572,205.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,125.83 : 3,640,691.07 = 1,867,410.11 : x
  2. Step 2: Convert to fraction form
    2,643,125.83/3,640,691.07 = 1,867,410.11/x
  3. Step 3: Cross multiply
    2,643,125.83x = 3,640,691.07 × 1,867,410.11
  4. Step 4: Simplify right side
    2,643,125.83x = 6,798,663,332,225.23
  5. Step 5: Solve for x
    x = 6,798,663,332,225.23/2,643,125.83
  6. Step 6: Final answer
    x = 2,572,205.71

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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.