Home / 2,173,677.38-2,999,557.69-1,206,745.43

Finding the Fourth Proportional to 2,173,677.38, 2,999,557.69 and 1,206,745.43

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Solution

The fourth proportional to 2,173,677.38, 2,999,557.69 and 1,206,745.43 is: 1,665,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,677.38 : 2,999,557.69 = 1,206,745.43 : x
  2. Step 2: Convert to fraction form
    2,173,677.38/2,999,557.69 = 1,206,745.43/x
  3. Step 3: Cross multiply
    2,173,677.38x = 2,999,557.69 × 1,206,745.43
  4. Step 4: Simplify right side
    2,173,677.38x = 3,619,702,516,414.20
  5. Step 5: Solve for x
    x = 3,619,702,516,414.20/2,173,677.38
  6. Step 6: Final answer
    x = 1,665,243.68

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1.5x scale

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.