Home / 2,761,243.20-4,141,864.80-766,699.20

Finding the Fourth Proportional to 2,761,243.20, 4,141,864.80 and 766,699.20

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Solution

The fourth proportional to 2,761,243.20, 4,141,864.80 and 766,699.20 is: 1,150,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,243.20 : 4,141,864.80 = 766,699.20 : x
  2. Step 2: Convert to fraction form
    2,761,243.20/4,141,864.80 = 766,699.20/x
  3. Step 3: Cross multiply
    2,761,243.20x = 4,141,864.80 × 766,699.20
  4. Step 4: Simplify right side
    2,761,243.20x = 3,175,564,428,668.16
  5. Step 5: Solve for x
    x = 3,175,564,428,668.16/2,761,243.20
  6. Step 6: Final answer
    x = 1,150,048.80

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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.