Home / 2,101,406.30-3,152,109.45-1,251,100.70

Finding the Fourth Proportional to 2,101,406.30, 3,152,109.45 and 1,251,100.70

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Solution

The fourth proportional to 2,101,406.30, 3,152,109.45 and 1,251,100.70 is: 1,876,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,406.30 : 3,152,109.45 = 1,251,100.70 : x
  2. Step 2: Convert to fraction form
    2,101,406.30/3,152,109.45 = 1,251,100.70/x
  3. Step 3: Cross multiply
    2,101,406.30x = 3,152,109.45 × 1,251,100.70
  4. Step 4: Simplify right side
    2,101,406.30x = 3,943,606,339,371.62
  5. Step 5: Solve for x
    x = 3,943,606,339,371.62/2,101,406.30
  6. Step 6: Final answer
    x = 1,876,651.05

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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.