Home / 3,174,078.13-4,753,034.70-2,091,308.03

Finding the Fourth Proportional to 3,174,078.13, 4,753,034.70 and 2,091,308.03

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Solution

The fourth proportional to 3,174,078.13, 4,753,034.70 and 2,091,308.03 is: 3,131,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174,078.13 : 4,753,034.70 = 2,091,308.03 : x
  2. Step 2: Convert to fraction form
    3,174,078.13/4,753,034.70 = 2,091,308.03/x
  3. Step 3: Cross multiply
    3,174,078.13x = 4,753,034.70 × 2,091,308.03
  4. Step 4: Simplify right side
    3,174,078.13x = 9,940,059,634,978.64
  5. Step 5: Solve for x
    x = 9,940,059,634,978.64/3,174,078.13
  6. Step 6: Final answer
    x = 3,131,636.72

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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.