Home / 2,146,472.08-2,961,988.28-1,179,581.60

Finding the Fourth Proportional to 2,146,472.08, 2,961,988.28 and 1,179,581.60

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Solution

The fourth proportional to 2,146,472.08, 2,961,988.28 and 1,179,581.60 is: 1,627,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,472.08 : 2,961,988.28 = 1,179,581.60 : x
  2. Step 2: Convert to fraction form
    2,146,472.08/2,961,988.28 = 1,179,581.60/x
  3. Step 3: Cross multiply
    2,146,472.08x = 2,961,988.28 × 1,179,581.60
  4. Step 4: Simplify right side
    2,146,472.08x = 3,493,906,874,503.65
  5. Step 5: Solve for x
    x = 3,493,906,874,503.65/2,146,472.08
  6. Step 6: Final answer
    x = 1,627,743.92

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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.