Home / 2,871,232.90-4,307,432.55-978,165.70

Finding the Fourth Proportional to 2,871,232.90, 4,307,432.55 and 978,165.70

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Solution

The fourth proportional to 2,871,232.90, 4,307,432.55 and 978,165.70 is: 1,467,447.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,232.90 : 4,307,432.55 = 978,165.70 : x
  2. Step 2: Convert to fraction form
    2,871,232.90/4,307,432.55 = 978,165.70/x
  3. Step 3: Cross multiply
    2,871,232.90x = 4,307,432.55 × 978,165.70
  4. Step 4: Simplify right side
    2,871,232.90x = 4,213,382,775,473.53
  5. Step 5: Solve for x
    x = 4,213,382,775,473.53/2,871,232.90
  6. Step 6: Final answer
    x = 1,467,447.23

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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.