Home / 2,181,689.66-3,010,703.00-1,201,609.86

Finding the Fourth Proportional to 2,181,689.66, 3,010,703.00 and 1,201,609.86

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Solution

The fourth proportional to 2,181,689.66, 3,010,703.00 and 1,201,609.86 is: 1,658,205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,689.66 : 3,010,703.00 = 1,201,609.86 : x
  2. Step 2: Convert to fraction form
    2,181,689.66/3,010,703.00 = 1,201,609.86/x
  3. Step 3: Cross multiply
    2,181,689.66x = 3,010,703.00 × 1,201,609.86
  4. Step 4: Simplify right side
    2,181,689.66x = 3,617,690,404,323.53
  5. Step 5: Solve for x
    x = 3,617,690,404,323.53/2,181,689.66
  6. Step 6: Final answer
    x = 1,658,205.78

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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.