Home / 2,083,162.60-3,125,780.70-821,031.40

Finding the Fourth Proportional to 2,083,162.60, 3,125,780.70 and 821,031.40

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Solution

The fourth proportional to 2,083,162.60, 3,125,780.70 and 821,031.40 is: 1,231,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,162.60 : 3,125,780.70 = 821,031.40 : x
  2. Step 2: Convert to fraction form
    2,083,162.60/3,125,780.70 = 821,031.40/x
  3. Step 3: Cross multiply
    2,083,162.60x = 3,125,780.70 × 821,031.40
  4. Step 4: Simplify right side
    2,083,162.60x = 2,566,364,104,213.98
  5. Step 5: Solve for x
    x = 2,566,364,104,213.98/2,083,162.60
  6. Step 6: Final answer
    x = 1,231,955.73

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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.