Home / 2,663,751.20-3,996,015.60-866,328.80

Finding the Fourth Proportional to 2,663,751.20, 3,996,015.60 and 866,328.80

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Solution

The fourth proportional to 2,663,751.20, 3,996,015.60 and 866,328.80 is: 1,299,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,751.20 : 3,996,015.60 = 866,328.80 : x
  2. Step 2: Convert to fraction form
    2,663,751.20/3,996,015.60 = 866,328.80/x
  3. Step 3: Cross multiply
    2,663,751.20x = 3,996,015.60 × 866,328.80
  4. Step 4: Simplify right side
    2,663,751.20x = 3,461,863,399,529.28
  5. Step 5: Solve for x
    x = 3,461,863,399,529.28/2,663,751.20
  6. Step 6: Final answer
    x = 1,299,619.65

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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.