Home / 2,770,251.20-4,155,376.80-2,615,422.40

Finding the Fourth Proportional to 2,770,251.20, 4,155,376.80 and 2,615,422.40

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Solution

The fourth proportional to 2,770,251.20, 4,155,376.80 and 2,615,422.40 is: 3,923,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770,251.20 : 4,155,376.80 = 2,615,422.40 : x
  2. Step 2: Convert to fraction form
    2,770,251.20/4,155,376.80 = 2,615,422.40/x
  3. Step 3: Cross multiply
    2,770,251.20x = 4,155,376.80 × 2,615,422.40
  4. Step 4: Simplify right side
    2,770,251.20x = 10,868,065,563,160.32
  5. Step 5: Solve for x
    x = 10,868,065,563,160.32/2,770,251.20
  6. Step 6: Final answer
    x = 3,923,133.60

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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.