Home / 2,130,500.80-3,193,029.60-866,900.80

Finding the Fourth Proportional to 2,130,500.80, 3,193,029.60 and 866,900.80

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Solution

The fourth proportional to 2,130,500.80, 3,193,029.60 and 866,900.80 is: 1,299,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,500.80 : 3,193,029.60 = 866,900.80 : x
  2. Step 2: Convert to fraction form
    2,130,500.80/3,193,029.60 = 866,900.80/x
  3. Step 3: Cross multiply
    2,130,500.80x = 3,193,029.60 × 866,900.80
  4. Step 4: Simplify right side
    2,130,500.80x = 2,768,039,914,663.68
  5. Step 5: Solve for x
    x = 2,768,039,914,663.68/2,130,500.80
  6. Step 6: Final answer
    x = 1,299,243.78

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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.