Home / 5,274,015.20-7,911,022.80-3,447,432.80

Finding the Fourth Proportional to 5,274,015.20, 7,911,022.80 and 3,447,432.80

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Solution

The fourth proportional to 5,274,015.20, 7,911,022.80 and 3,447,432.80 is: 5,171,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274,015.20 : 7,911,022.80 = 3,447,432.80 : x
  2. Step 2: Convert to fraction form
    5,274,015.20/7,911,022.80 = 3,447,432.80/x
  3. Step 3: Cross multiply
    5,274,015.20x = 7,911,022.80 × 3,447,432.80
  4. Step 4: Simplify right side
    5,274,015.20x = 27,272,719,482,267.84
  5. Step 5: Solve for x
    x = 27,272,719,482,267.84/5,274,015.20
  6. Step 6: Final answer
    x = 5,171,149.20

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1.5x scale

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.