Home / 2,186,413.38-3,017,242.58-1,219,542.84

Finding the Fourth Proportional to 2,186,413.38, 3,017,242.58 and 1,219,542.84

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Solution

The fourth proportional to 2,186,413.38, 3,017,242.58 and 1,219,542.84 is: 1,682,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,413.38 : 3,017,242.58 = 1,219,542.84 : x
  2. Step 2: Convert to fraction form
    2,186,413.38/3,017,242.58 = 1,219,542.84/x
  3. Step 3: Cross multiply
    2,186,413.38x = 3,017,242.58 × 1,219,542.84
  4. Step 4: Simplify right side
    2,186,413.38x = 3,679,656,578,884.41
  5. Step 5: Solve for x
    x = 3,679,656,578,884.41/2,186,413.38
  6. Step 6: Final answer
    x = 1,682,964.72

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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.