Home / 2,080,505.20-3,120,757.80-1,924,985.20

Finding the Fourth Proportional to 2,080,505.20, 3,120,757.80 and 1,924,985.20

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Solution

The fourth proportional to 2,080,505.20, 3,120,757.80 and 1,924,985.20 is: 2,887,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,505.20 : 3,120,757.80 = 1,924,985.20 : x
  2. Step 2: Convert to fraction form
    2,080,505.20/3,120,757.80 = 1,924,985.20/x
  3. Step 3: Cross multiply
    2,080,505.20x = 3,120,757.80 × 1,924,985.20
  4. Step 4: Simplify right side
    2,080,505.20x = 6,007,412,577,784.56
  5. Step 5: Solve for x
    x = 6,007,412,577,784.56/2,080,505.20
  6. Step 6: Final answer
    x = 2,887,477.80

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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.