Home / 2,770,441.60-4,158,772.80-2,142,140.80

Finding the Fourth Proportional to 2,770,441.60, 4,158,772.80 and 2,142,140.80

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Solution

The fourth proportional to 2,770,441.60, 4,158,772.80 and 2,142,140.80 is: 3,215,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770,441.60 : 4,158,772.80 = 2,142,140.80 : x
  2. Step 2: Convert to fraction form
    2,770,441.60/4,158,772.80 = 2,142,140.80/x
  3. Step 3: Cross multiply
    2,770,441.60x = 4,158,772.80 × 2,142,140.80
  4. Step 4: Simplify right side
    2,770,441.60x = 8,908,676,892,810.24
  5. Step 5: Solve for x
    x = 8,908,676,892,810.24/2,770,441.60
  6. Step 6: Final answer
    x = 3,215,616.20

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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.