Home / 2,127,013.20-3,190,811.40-706,921.20

Finding the Fourth Proportional to 2,127,013.20, 3,190,811.40 and 706,921.20

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Solution

The fourth proportional to 2,127,013.20, 3,190,811.40 and 706,921.20 is: 1,060,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,013.20 : 3,190,811.40 = 706,921.20 : x
  2. Step 2: Convert to fraction form
    2,127,013.20/3,190,811.40 = 706,921.20/x
  3. Step 3: Cross multiply
    2,127,013.20x = 3,190,811.40 × 706,921.20
  4. Step 4: Simplify right side
    2,127,013.20x = 2,255,652,223,861.68
  5. Step 5: Solve for x
    x = 2,255,652,223,861.68/2,127,013.20
  6. Step 6: Final answer
    x = 1,060,478.71

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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.