Home / 4,871,147.20-7,306,720.80-2,631,659.20

Finding the Fourth Proportional to 4,871,147.20, 7,306,720.80 and 2,631,659.20

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Solution

The fourth proportional to 4,871,147.20, 7,306,720.80 and 2,631,659.20 is: 3,947,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871,147.20 : 7,306,720.80 = 2,631,659.20 : x
  2. Step 2: Convert to fraction form
    4,871,147.20/7,306,720.80 = 2,631,659.20/x
  3. Step 3: Cross multiply
    4,871,147.20x = 7,306,720.80 × 2,631,659.20
  4. Step 4: Simplify right side
    4,871,147.20x = 19,228,799,015,151.36
  5. Step 5: Solve for x
    x = 19,228,799,015,151.36/4,871,147.20
  6. Step 6: Final answer
    x = 3,947,488.80

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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.