Home / 1,943,591.53-2,915,406.74-681,449.53

Finding the Fourth Proportional to 1,943,591.53, 2,915,406.74 and 681,449.53

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Solution

The fourth proportional to 1,943,591.53, 2,915,406.74 and 681,449.53 is: 1,022,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,591.53 : 2,915,406.74 = 681,449.53 : x
  2. Step 2: Convert to fraction form
    1,943,591.53/2,915,406.74 = 681,449.53/x
  3. Step 3: Cross multiply
    1,943,591.53x = 2,915,406.74 × 681,449.53
  4. Step 4: Simplify right side
    1,943,591.53x = 1,986,702,549,324.58
  5. Step 5: Solve for x
    x = 1,986,702,549,324.58/1,943,591.53
  6. Step 6: Final answer
    x = 1,022,181.11

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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.