Home / 3,148,454.80-4,722,682.20-1,888,742.80

Finding the Fourth Proportional to 3,148,454.80, 4,722,682.20 and 1,888,742.80

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Solution

The fourth proportional to 3,148,454.80, 4,722,682.20 and 1,888,742.80 is: 2,833,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,454.80 : 4,722,682.20 = 1,888,742.80 : x
  2. Step 2: Convert to fraction form
    3,148,454.80/4,722,682.20 = 1,888,742.80/x
  3. Step 3: Cross multiply
    3,148,454.80x = 4,722,682.20 × 1,888,742.80
  4. Step 4: Simplify right side
    3,148,454.80x = 8,919,932,001,938.16
  5. Step 5: Solve for x
    x = 8,919,932,001,938.16/3,148,454.80
  6. Step 6: Final answer
    x = 2,833,114.20

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Similar ratio
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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.