Home / 2,141,502.60-3,207,971.06-1,288,103

Finding the Fourth Proportional to 2,141,502.60, 3,207,971.06 and 1,288,103

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Solution

The fourth proportional to 2,141,502.60, 3,207,971.06 and 1,288,103 is: 1,929,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,502.60 : 3,207,971.06 = 1,288,103 : x
  2. Step 2: Convert to fraction form
    2,141,502.60/3,207,971.06 = 1,288,103/x
  3. Step 3: Cross multiply
    2,141,502.60x = 3,207,971.06 × 1,288,103
  4. Step 4: Simplify right side
    2,141,502.60x = 4,132,197,146,299.18
  5. Step 5: Solve for x
    x = 4,132,197,146,299.18/2,141,502.60
  6. Step 6: Final answer
    x = 1,929,578.39

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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.