Home / 2,132,176.60-3,194,117.70-1,288,221.40

Finding the Fourth Proportional to 2,132,176.60, 3,194,117.70 and 1,288,221.40

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Solution

The fourth proportional to 2,132,176.60, 3,194,117.70 and 1,288,221.40 is: 1,929,826.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,176.60 : 3,194,117.70 = 1,288,221.40 : x
  2. Step 2: Convert to fraction form
    2,132,176.60/3,194,117.70 = 1,288,221.40/x
  3. Step 3: Cross multiply
    2,132,176.60x = 3,194,117.70 × 1,288,221.40
  4. Step 4: Simplify right side
    2,132,176.60x = 4,114,730,775,258.78
  5. Step 5: Solve for x
    x = 4,114,730,775,258.78/2,132,176.60
  6. Step 6: Final answer
    x = 1,929,826.44

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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.