Home / 2,178,734.60-3,265,337.10-1,940,961.80

Finding the Fourth Proportional to 2,178,734.60, 3,265,337.10 and 1,940,961.80

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Solution

The fourth proportional to 2,178,734.60, 3,265,337.10 and 1,940,961.80 is: 2,908,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,734.60 : 3,265,337.10 = 1,940,961.80 : x
  2. Step 2: Convert to fraction form
    2,178,734.60/3,265,337.10 = 1,940,961.80/x
  3. Step 3: Cross multiply
    2,178,734.60x = 3,265,337.10 × 1,940,961.80
  4. Step 4: Simplify right side
    2,178,734.60x = 6,337,894,575,222.78
  5. Step 5: Solve for x
    x = 6,337,894,575,222.78/2,178,734.60
  6. Step 6: Final answer
    x = 2,908,979.63

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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.