Home / 2,993,758.20-4,490,199.90-863,620.20

Finding the Fourth Proportional to 2,993,758.20, 4,490,199.90 and 863,620.20

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Solution

The fourth proportional to 2,993,758.20, 4,490,199.90 and 863,620.20 is: 1,295,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,758.20 : 4,490,199.90 = 863,620.20 : x
  2. Step 2: Convert to fraction form
    2,993,758.20/4,490,199.90 = 863,620.20/x
  3. Step 3: Cross multiply
    2,993,758.20x = 4,490,199.90 × 863,620.20
  4. Step 4: Simplify right side
    2,993,758.20x = 3,877,827,335,677.98
  5. Step 5: Solve for x
    x = 3,877,827,335,677.98/2,993,758.20
  6. Step 6: Final answer
    x = 1,295,304.12

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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.