Home / 2,177,115.39-3,264,548.00-978,012.45

Finding the Fourth Proportional to 2,177,115.39, 3,264,548.00 and 978,012.45

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Solution

The fourth proportional to 2,177,115.39, 3,264,548.00 and 978,012.45 is: 1,466,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,115.39 : 3,264,548.00 = 978,012.45 : x
  2. Step 2: Convert to fraction form
    2,177,115.39/3,264,548.00 = 978,012.45/x
  3. Step 3: Cross multiply
    2,177,115.39x = 3,264,548.00 × 978,012.45
  4. Step 4: Simplify right side
    2,177,115.39x = 3,192,768,582,732.54
  5. Step 5: Solve for x
    x = 3,192,768,582,732.54/2,177,115.39
  6. Step 6: Final answer
    x = 1,466,513.26

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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.