Home / 3,472,859.20-5,209,288.80-2,912,987.20

Finding the Fourth Proportional to 3,472,859.20, 5,209,288.80 and 2,912,987.20

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Solution

The fourth proportional to 3,472,859.20, 5,209,288.80 and 2,912,987.20 is: 4,369,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472,859.20 : 5,209,288.80 = 2,912,987.20 : x
  2. Step 2: Convert to fraction form
    3,472,859.20/5,209,288.80 = 2,912,987.20/x
  3. Step 3: Cross multiply
    3,472,859.20x = 5,209,288.80 × 2,912,987.20
  4. Step 4: Simplify right side
    3,472,859.20x = 15,174,591,595,503.36
  5. Step 5: Solve for x
    x = 15,174,591,595,503.36/3,472,859.20
  6. Step 6: Final answer
    x = 4,369,480.80

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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.