Home / 2,109,224.70-2,910,909.15-1,191,622.14

Finding the Fourth Proportional to 2,109,224.70, 2,910,909.15 and 1,191,622.14

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Solution

The fourth proportional to 2,109,224.70, 2,910,909.15 and 1,191,622.14 is: 1,644,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,224.70 : 2,910,909.15 = 1,191,622.14 : x
  2. Step 2: Convert to fraction form
    2,109,224.70/2,910,909.15 = 1,191,622.14/x
  3. Step 3: Cross multiply
    2,109,224.70x = 2,910,909.15 × 1,191,622.14
  4. Step 4: Simplify right side
    2,109,224.70x = 3,468,703,790,668.58
  5. Step 5: Solve for x
    x = 3,468,703,790,668.58/2,109,224.70
  6. Step 6: Final answer
    x = 1,644,539.72

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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.