Home / 2,181,634.80-3,272,452.20-1,340,660.40

Finding the Fourth Proportional to 2,181,634.80, 3,272,452.20 and 1,340,660.40

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Solution

The fourth proportional to 2,181,634.80, 3,272,452.20 and 1,340,660.40 is: 2,010,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,634.80 : 3,272,452.20 = 1,340,660.40 : x
  2. Step 2: Convert to fraction form
    2,181,634.80/3,272,452.20 = 1,340,660.40/x
  3. Step 3: Cross multiply
    2,181,634.80x = 3,272,452.20 × 1,340,660.40
  4. Step 4: Simplify right side
    2,181,634.80x = 4,387,247,075,432.88
  5. Step 5: Solve for x
    x = 4,387,247,075,432.88/2,181,634.80
  6. Step 6: Final answer
    x = 2,010,990.60

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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.