Home / 2,770,279.20-4,155,418.80-2,453,018.40

Finding the Fourth Proportional to 2,770,279.20, 4,155,418.80 and 2,453,018.40

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Solution

The fourth proportional to 2,770,279.20, 4,155,418.80 and 2,453,018.40 is: 3,679,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770,279.20 : 4,155,418.80 = 2,453,018.40 : x
  2. Step 2: Convert to fraction form
    2,770,279.20/4,155,418.80 = 2,453,018.40/x
  3. Step 3: Cross multiply
    2,770,279.20x = 4,155,418.80 × 2,453,018.40
  4. Step 4: Simplify right side
    2,770,279.20x = 10,193,318,776,105.92
  5. Step 5: Solve for x
    x = 10,193,318,776,105.92/2,770,279.20
  6. Step 6: Final answer
    x = 3,679,527.60

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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.