Home / 2,127,706.20-3,191,996.70-708,780.60

Finding the Fourth Proportional to 2,127,706.20, 3,191,996.70 and 708,780.60

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Solution

The fourth proportional to 2,127,706.20, 3,191,996.70 and 708,780.60 is: 1,063,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,706.20 : 3,191,996.70 = 708,780.60 : x
  2. Step 2: Convert to fraction form
    2,127,706.20/3,191,996.70 = 708,780.60/x
  3. Step 3: Cross multiply
    2,127,706.20x = 3,191,996.70 × 708,780.60
  4. Step 4: Simplify right side
    2,127,706.20x = 2,262,425,336,224.02
  5. Step 5: Solve for x
    x = 2,262,425,336,224.02/2,127,706.20
  6. Step 6: Final answer
    x = 1,063,316.61

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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.