Home / 2,226,413.80-3,339,620.70-2,139,322.60

Finding the Fourth Proportional to 2,226,413.80, 3,339,620.70 and 2,139,322.60

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Solution

The fourth proportional to 2,226,413.80, 3,339,620.70 and 2,139,322.60 is: 3,208,983.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226,413.80 : 3,339,620.70 = 2,139,322.60 : x
  2. Step 2: Convert to fraction form
    2,226,413.80/3,339,620.70 = 2,139,322.60/x
  3. Step 3: Cross multiply
    2,226,413.80x = 3,339,620.70 × 2,139,322.60
  4. Step 4: Simplify right side
    2,226,413.80x = 7,144,526,038,937.82
  5. Step 5: Solve for x
    x = 7,144,526,038,937.82/2,226,413.80
  6. Step 6: Final answer
    x = 3,208,983.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.