Home / 3,927,173.82-5,419,532.16-2,208,279.30

Finding the Fourth Proportional to 3,927,173.82, 5,419,532.16 and 2,208,279.30

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Solution

The fourth proportional to 3,927,173.82, 5,419,532.16 and 2,208,279.30 is: 3,047,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,173.82 : 5,419,532.16 = 2,208,279.30 : x
  2. Step 2: Convert to fraction form
    3,927,173.82/5,419,532.16 = 2,208,279.30/x
  3. Step 3: Cross multiply
    3,927,173.82x = 5,419,532.16 × 2,208,279.30
  4. Step 4: Simplify right side
    3,927,173.82x = 11,967,840,684,612.29
  5. Step 5: Solve for x
    x = 11,967,840,684,612.29/3,927,173.82
  6. Step 6: Final answer
    x = 3,047,443.59

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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.