Home / 2,657,076.93-3,986,247.81-859,960.41

Finding the Fourth Proportional to 2,657,076.93, 3,986,247.81 and 859,960.41

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Solution

The fourth proportional to 2,657,076.93, 3,986,247.81 and 859,960.41 is: 1,290,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,076.93 : 3,986,247.81 = 859,960.41 : x
  2. Step 2: Convert to fraction form
    2,657,076.93/3,986,247.81 = 859,960.41/x
  3. Step 3: Cross multiply
    2,657,076.93x = 3,986,247.81 × 859,960.41
  4. Step 4: Simplify right side
    2,657,076.93x = 3,428,015,301,049.20
  5. Step 5: Solve for x
    x = 3,428,015,301,049.20/2,657,076.93
  6. Step 6: Final answer
    x = 1,290,145.30

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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.