Home / 2,840,531.20-4,260,796.80-818,771.20

Finding the Fourth Proportional to 2,840,531.20, 4,260,796.80 and 818,771.20

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Solution

The fourth proportional to 2,840,531.20, 4,260,796.80 and 818,771.20 is: 1,228,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,531.20 : 4,260,796.80 = 818,771.20 : x
  2. Step 2: Convert to fraction form
    2,840,531.20/4,260,796.80 = 818,771.20/x
  3. Step 3: Cross multiply
    2,840,531.20x = 4,260,796.80 × 818,771.20
  4. Step 4: Simplify right side
    2,840,531.20x = 3,488,617,708,892.16
  5. Step 5: Solve for x
    x = 3,488,617,708,892.16/2,840,531.20
  6. Step 6: Final answer
    x = 1,228,156.80

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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.