Home / 3,148,604.60-4,722,906.90-1,255,638.20

Finding the Fourth Proportional to 3,148,604.60, 4,722,906.90 and 1,255,638.20

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Solution

The fourth proportional to 3,148,604.60, 4,722,906.90 and 1,255,638.20 is: 1,883,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,604.60 : 4,722,906.90 = 1,255,638.20 : x
  2. Step 2: Convert to fraction form
    3,148,604.60/4,722,906.90 = 1,255,638.20/x
  3. Step 3: Cross multiply
    3,148,604.60x = 4,722,906.90 × 1,255,638.20
  4. Step 4: Simplify right side
    3,148,604.60x = 5,930,262,318,683.58
  5. Step 5: Solve for x
    x = 5,930,262,318,683.58/3,148,604.60
  6. Step 6: Final answer
    x = 1,883,457.30

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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.