Home / 2,130,491.80-3,193,016.10-866,891.80

Finding the Fourth Proportional to 2,130,491.80, 3,193,016.10 and 866,891.80

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Solution

The fourth proportional to 2,130,491.80, 3,193,016.10 and 866,891.80 is: 1,299,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,491.80 : 3,193,016.10 = 866,891.80 : x
  2. Step 2: Convert to fraction form
    2,130,491.80/3,193,016.10 = 866,891.80/x
  3. Step 3: Cross multiply
    2,130,491.80x = 3,193,016.10 × 866,891.80
  4. Step 4: Simplify right side
    2,130,491.80x = 2,767,999,474,357.98
  5. Step 5: Solve for x
    x = 2,767,999,474,357.98/2,130,491.80
  6. Step 6: Final answer
    x = 1,299,230.29

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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.