Home / 1,917,331.74-2,646,876.65-1,192,413.02

Finding the Fourth Proportional to 1,917,331.74, 2,646,876.65 and 1,192,413.02

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Solution

The fourth proportional to 1,917,331.74, 2,646,876.65 and 1,192,413.02 is: 1,646,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,331.74 : 2,646,876.65 = 1,192,413.02 : x
  2. Step 2: Convert to fraction form
    1,917,331.74/2,646,876.65 = 1,192,413.02/x
  3. Step 3: Cross multiply
    1,917,331.74x = 2,646,876.65 × 1,192,413.02
  4. Step 4: Simplify right side
    1,917,331.74x = 3,156,170,160,597.53
  5. Step 5: Solve for x
    x = 3,156,170,160,597.53/1,917,331.74
  6. Step 6: Final answer
    x = 1,646,126.28

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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.