Home / 2,127,390.28-3,191,675.91-1,181,425.30

Finding the Fourth Proportional to 2,127,390.28, 3,191,675.91 and 1,181,425.30

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Solution

The fourth proportional to 2,127,390.28, 3,191,675.91 and 1,181,425.30 is: 1,772,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,390.28 : 3,191,675.91 = 1,181,425.30 : x
  2. Step 2: Convert to fraction form
    2,127,390.28/3,191,675.91 = 1,181,425.30/x
  3. Step 3: Cross multiply
    2,127,390.28x = 3,191,675.91 × 1,181,425.30
  4. Step 4: Simplify right side
    2,127,390.28x = 3,770,726,657,064.99
  5. Step 5: Solve for x
    x = 3,770,726,657,064.99/2,127,390.28
  6. Step 6: Final answer
    x = 1,772,465.87

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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.