Home / 2,139,413.76-2,952,414.09-1,172,523.24

Finding the Fourth Proportional to 2,139,413.76, 2,952,414.09 and 1,172,523.24

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Solution

The fourth proportional to 2,139,413.76, 2,952,414.09 and 1,172,523.24 is: 1,618,094.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,413.76 : 2,952,414.09 = 1,172,523.24 : x
  2. Step 2: Convert to fraction form
    2,139,413.76/2,952,414.09 = 1,172,523.24/x
  3. Step 3: Cross multiply
    2,139,413.76x = 2,952,414.09 × 1,172,523.24
  4. Step 4: Simplify right side
    2,139,413.76x = 3,461,774,134,628.45
  5. Step 5: Solve for x
    x = 3,461,774,134,628.45/2,139,413.76
  6. Step 6: Final answer
    x = 1,618,094.73

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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.