Home / 4,021,870.91-5,550,065.16-2,279,700.90

Finding the Fourth Proportional to 4,021,870.91, 5,550,065.16 and 2,279,700.90

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Solution

The fourth proportional to 4,021,870.91, 5,550,065.16 and 2,279,700.90 is: 3,145,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021,870.91 : 5,550,065.16 = 2,279,700.90 : x
  2. Step 2: Convert to fraction form
    4,021,870.91/5,550,065.16 = 2,279,700.90/x
  3. Step 3: Cross multiply
    4,021,870.91x = 5,550,065.16 × 2,279,700.90
  4. Step 4: Simplify right side
    4,021,870.91x = 12,652,488,540,310.64
  5. Step 5: Solve for x
    x = 12,652,488,540,310.64/4,021,870.91
  6. Step 6: Final answer
    x = 3,145,921.10

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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.