Home / 2,164,203.80-3,246,305.70-1,042,002.20

Finding the Fourth Proportional to 2,164,203.80, 3,246,305.70 and 1,042,002.20

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Solution

The fourth proportional to 2,164,203.80, 3,246,305.70 and 1,042,002.20 is: 1,563,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,203.80 : 3,246,305.70 = 1,042,002.20 : x
  2. Step 2: Convert to fraction form
    2,164,203.80/3,246,305.70 = 1,042,002.20/x
  3. Step 3: Cross multiply
    2,164,203.80x = 3,246,305.70 × 1,042,002.20
  4. Step 4: Simplify right side
    2,164,203.80x = 3,382,657,681,272.54
  5. Step 5: Solve for x
    x = 3,382,657,681,272.54/2,164,203.80
  6. Step 6: Final answer
    x = 1,563,003.30

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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.