Home / 3,279,219.90-4,919,460.28-1,257,306.10

Finding the Fourth Proportional to 3,279,219.90, 4,919,460.28 and 1,257,306.10

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Solution

The fourth proportional to 3,279,219.90, 4,919,460.28 and 1,257,306.10 is: 1,886,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279,219.90 : 4,919,460.28 = 1,257,306.10 : x
  2. Step 2: Convert to fraction form
    3,279,219.90/4,919,460.28 = 1,257,306.10/x
  3. Step 3: Cross multiply
    3,279,219.90x = 4,919,460.28 × 1,257,306.10
  4. Step 4: Simplify right side
    3,279,219.90x = 6,185,267,403,309.79
  5. Step 5: Solve for x
    x = 6,185,267,403,309.79/3,279,219.90
  6. Step 6: Final answer
    x = 1,886,200.86

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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.