Home / 2,566,888.28-3,542,333.84-1,420,987.76

Finding the Fourth Proportional to 2,566,888.28, 3,542,333.84 and 1,420,987.76

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Solution

The fourth proportional to 2,566,888.28, 3,542,333.84 and 1,420,987.76 is: 1,960,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566,888.28 : 3,542,333.84 = 1,420,987.76 : x
  2. Step 2: Convert to fraction form
    2,566,888.28/3,542,333.84 = 1,420,987.76/x
  3. Step 3: Cross multiply
    2,566,888.28x = 3,542,333.84 × 1,420,987.76
  4. Step 4: Simplify right side
    2,566,888.28x = 5,033,613,028,473.80
  5. Step 5: Solve for x
    x = 5,033,613,028,473.80/2,566,888.28
  6. Step 6: Final answer
    x = 1,960,978.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.