Home / 2,175,247.32-3,001,839.12-1,208,468.18

Finding the Fourth Proportional to 2,175,247.32, 3,001,839.12 and 1,208,468.18

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Solution

The fourth proportional to 2,175,247.32, 3,001,839.12 and 1,208,468.18 is: 1,667,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,247.32 : 3,001,839.12 = 1,208,468.18 : x
  2. Step 2: Convert to fraction form
    2,175,247.32/3,001,839.12 = 1,208,468.18/x
  3. Step 3: Cross multiply
    2,175,247.32x = 3,001,839.12 × 1,208,468.18
  4. Step 4: Simplify right side
    2,175,247.32x = 3,627,627,042,990.01
  5. Step 5: Solve for x
    x = 3,627,627,042,990.01/2,175,247.32
  6. Step 6: Final answer
    x = 1,667,684.87

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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.