Home / 2,753,999.80-4,128,926.10-1,155,254.20

Finding the Fourth Proportional to 2,753,999.80, 4,128,926.10 and 1,155,254.20

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Solution

The fourth proportional to 2,753,999.80, 4,128,926.10 and 1,155,254.20 is: 1,732,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753,999.80 : 4,128,926.10 = 1,155,254.20 : x
  2. Step 2: Convert to fraction form
    2,753,999.80/4,128,926.10 = 1,155,254.20/x
  3. Step 3: Cross multiply
    2,753,999.80x = 4,128,926.10 × 1,155,254.20
  4. Step 4: Simplify right side
    2,753,999.80x = 4,769,959,218,514.62
  5. Step 5: Solve for x
    x = 4,769,959,218,514.62/2,753,999.80
  6. Step 6: Final answer
    x = 1,732,011.46

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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.