Home / 2,871,502.20-4,306,961.70-978,216.30

Finding the Fourth Proportional to 2,871,502.20, 4,306,961.70 and 978,216.30

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Solution

The fourth proportional to 2,871,502.20, 4,306,961.70 and 978,216.30 is: 1,467,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,502.20 : 4,306,961.70 = 978,216.30 : x
  2. Step 2: Convert to fraction form
    2,871,502.20/4,306,961.70 = 978,216.30/x
  3. Step 3: Cross multiply
    2,871,502.20x = 4,306,961.70 × 978,216.30
  4. Step 4: Simplify right side
    2,871,502.20x = 4,213,140,138,415.71
  5. Step 5: Solve for x
    x = 4,213,140,138,415.71/2,871,502.20
  6. Step 6: Final answer
    x = 1,467,225.11

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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.