Home / 2,135,999.10-3,203,998.65-1,339,736.70

Finding the Fourth Proportional to 2,135,999.10, 3,203,998.65 and 1,339,736.70

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Solution

The fourth proportional to 2,135,999.10, 3,203,998.65 and 1,339,736.70 is: 2,009,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,999.10 : 3,203,998.65 = 1,339,736.70 : x
  2. Step 2: Convert to fraction form
    2,135,999.10/3,203,998.65 = 1,339,736.70/x
  3. Step 3: Cross multiply
    2,135,999.10x = 3,203,998.65 × 1,339,736.70
  4. Step 4: Simplify right side
    2,135,999.10x = 4,292,514,578,155.45
  5. Step 5: Solve for x
    x = 4,292,514,578,155.45/2,135,999.10
  6. Step 6: Final answer
    x = 2,009,605.05

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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.