Home / 2,115,091.56-2,917,745.10-1,350,341.40

Finding the Fourth Proportional to 2,115,091.56, 2,917,745.10 and 1,350,341.40

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Solution

The fourth proportional to 2,115,091.56, 2,917,745.10 and 1,350,341.40 is: 1,862,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,091.56 : 2,917,745.10 = 1,350,341.40 : x
  2. Step 2: Convert to fraction form
    2,115,091.56/2,917,745.10 = 1,350,341.40/x
  3. Step 3: Cross multiply
    2,115,091.56x = 2,917,745.10 × 1,350,341.40
  4. Step 4: Simplify right side
    2,115,091.56x = 3,939,952,003,177.14
  5. Step 5: Solve for x
    x = 3,939,952,003,177.14/2,115,091.56
  6. Step 6: Final answer
    x = 1,862,780.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.