Home / 2,655,034.20-3,982,525.38-761,785.56

Finding the Fourth Proportional to 2,655,034.20, 3,982,525.38 and 761,785.56

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Solution

The fourth proportional to 2,655,034.20, 3,982,525.38 and 761,785.56 is: 1,142,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,034.20 : 3,982,525.38 = 761,785.56 : x
  2. Step 2: Convert to fraction form
    2,655,034.20/3,982,525.38 = 761,785.56/x
  3. Step 3: Cross multiply
    2,655,034.20x = 3,982,525.38 × 761,785.56
  4. Step 4: Simplify right side
    2,655,034.20x = 3,033,830,326,817.51
  5. Step 5: Solve for x
    x = 3,033,830,326,817.51/2,655,034.20
  6. Step 6: Final answer
    x = 1,142,670.90

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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.