Home / 2,850,042.78-4,275,344.84-828,304.34

Finding the Fourth Proportional to 2,850,042.78, 4,275,344.84 and 828,304.34

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Solution

The fourth proportional to 2,850,042.78, 4,275,344.84 and 828,304.34 is: 1,242,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,042.78 : 4,275,344.84 = 828,304.34 : x
  2. Step 2: Convert to fraction form
    2,850,042.78/4,275,344.84 = 828,304.34/x
  3. Step 3: Cross multiply
    2,850,042.78x = 4,275,344.84 × 828,304.34
  4. Step 4: Simplify right side
    2,850,042.78x = 3,541,286,660,450.36
  5. Step 5: Solve for x
    x = 3,541,286,660,450.36/2,850,042.78
  6. Step 6: Final answer
    x = 1,242,538.07

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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.