Home / 2,663,743.20-3,996,003.60-866,320.80

Finding the Fourth Proportional to 2,663,743.20, 3,996,003.60 and 866,320.80

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Solution

The fourth proportional to 2,663,743.20, 3,996,003.60 and 866,320.80 is: 1,299,607.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,743.20 : 3,996,003.60 = 866,320.80 : x
  2. Step 2: Convert to fraction form
    2,663,743.20/3,996,003.60 = 866,320.80/x
  3. Step 3: Cross multiply
    2,663,743.20x = 3,996,003.60 × 866,320.80
  4. Step 4: Simplify right side
    2,663,743.20x = 3,461,821,035,554.88
  5. Step 5: Solve for x
    x = 3,461,821,035,554.88/2,663,743.20
  6. Step 6: Final answer
    x = 1,299,607.65

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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.