Home / 2,175,194.86-3,001,685.41-1,208,385.92

Finding the Fourth Proportional to 2,175,194.86, 3,001,685.41 and 1,208,385.92

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Solution

The fourth proportional to 2,175,194.86, 3,001,685.41 and 1,208,385.92 is: 1,667,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,194.86 : 3,001,685.41 = 1,208,385.92 : x
  2. Step 2: Convert to fraction form
    2,175,194.86/3,001,685.41 = 1,208,385.92/x
  3. Step 3: Cross multiply
    2,175,194.86x = 3,001,685.41 × 1,208,385.92
  4. Step 4: Simplify right side
    2,175,194.86x = 3,627,194,385,713.43
  5. Step 5: Solve for x
    x = 3,627,194,385,713.43/2,175,194.86
  6. Step 6: Final answer
    x = 1,667,526.18

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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.