Home / 2,131,409.60-3,197,114.40-1,957,227.20

Finding the Fourth Proportional to 2,131,409.60, 3,197,114.40 and 1,957,227.20

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Solution

The fourth proportional to 2,131,409.60, 3,197,114.40 and 1,957,227.20 is: 2,935,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,409.60 : 3,197,114.40 = 1,957,227.20 : x
  2. Step 2: Convert to fraction form
    2,131,409.60/3,197,114.40 = 1,957,227.20/x
  3. Step 3: Cross multiply
    2,131,409.60x = 3,197,114.40 × 1,957,227.20
  4. Step 4: Simplify right side
    2,131,409.60x = 6,257,479,265,191.68
  5. Step 5: Solve for x
    x = 6,257,479,265,191.68/2,131,409.60
  6. Step 6: Final answer
    x = 2,935,840.80

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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.