Home / 2,820,774.60-4,230,729.90-927,520.20

Finding the Fourth Proportional to 2,820,774.60, 4,230,729.90 and 927,520.20

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Solution

The fourth proportional to 2,820,774.60, 4,230,729.90 and 927,520.20 is: 1,391,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,774.60 : 4,230,729.90 = 927,520.20 : x
  2. Step 2: Convert to fraction form
    2,820,774.60/4,230,729.90 = 927,520.20/x
  3. Step 3: Cross multiply
    2,820,774.60x = 4,230,729.90 × 927,520.20
  4. Step 4: Simplify right side
    2,820,774.60x = 3,924,087,442,993.98
  5. Step 5: Solve for x
    x = 3,924,087,442,993.98/2,820,774.60
  6. Step 6: Final answer
    x = 1,391,138.25

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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.