Home / 3,291,540.84-4,543,239.36-1,915,150.38

Finding the Fourth Proportional to 3,291,540.84, 4,543,239.36 and 1,915,150.38

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Solution

The fourth proportional to 3,291,540.84, 4,543,239.36 and 1,915,150.38 is: 2,643,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291,540.84 : 4,543,239.36 = 1,915,150.38 : x
  2. Step 2: Convert to fraction form
    3,291,540.84/4,543,239.36 = 1,915,150.38/x
  3. Step 3: Cross multiply
    3,291,540.84x = 4,543,239.36 × 1,915,150.38
  4. Step 4: Simplify right side
    3,291,540.84x = 8,700,986,586,734.96
  5. Step 5: Solve for x
    x = 8,700,986,586,734.96/3,291,540.84
  6. Step 6: Final answer
    x = 2,643,438.74

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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.