Home / 2,781,243.72-3,837,799.08-1,557,379.08

Finding the Fourth Proportional to 2,781,243.72, 3,837,799.08 and 1,557,379.08

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Solution

The fourth proportional to 2,781,243.72, 3,837,799.08 and 1,557,379.08 is: 2,149,005.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,243.72 : 3,837,799.08 = 1,557,379.08 : x
  2. Step 2: Convert to fraction form
    2,781,243.72/3,837,799.08 = 1,557,379.08/x
  3. Step 3: Cross multiply
    2,781,243.72x = 3,837,799.08 × 1,557,379.08
  4. Step 4: Simplify right side
    2,781,243.72x = 5,976,908,000,435.25
  5. Step 5: Solve for x
    x = 5,976,908,000,435.25/2,781,243.72
  6. Step 6: Final answer
    x = 2,149,005.48

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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.