Home / 2,661,413.31-3,672,746.75-1,515,493.65

Finding the Fourth Proportional to 2,661,413.31, 3,672,746.75 and 1,515,493.65

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Solution

The fourth proportional to 2,661,413.31, 3,672,746.75 and 1,515,493.65 is: 2,091,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,413.31 : 3,672,746.75 = 1,515,493.65 : x
  2. Step 2: Convert to fraction form
    2,661,413.31/3,672,746.75 = 1,515,493.65/x
  3. Step 3: Cross multiply
    2,661,413.31x = 3,672,746.75 × 1,515,493.65
  4. Step 4: Simplify right side
    2,661,413.31x = 5,566,024,377,683.14
  5. Step 5: Solve for x
    x = 5,566,024,377,683.14/2,661,413.31
  6. Step 6: Final answer
    x = 2,091,379.18

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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.