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Finding the Fourth Proportional to 2,801,221.97, 3,865,633.81 and 1,713,413.63

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Solution

The fourth proportional to 2,801,221.97, 3,865,633.81 and 1,713,413.63 is: 2,364,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,221.97 : 3,865,633.81 = 1,713,413.63 : x
  2. Step 2: Convert to fraction form
    2,801,221.97/3,865,633.81 = 1,713,413.63/x
  3. Step 3: Cross multiply
    2,801,221.97x = 3,865,633.81 × 1,713,413.63
  4. Step 4: Simplify right side
    2,801,221.97x = 6,623,429,664,023.38
  5. Step 5: Solve for x
    x = 6,623,429,664,023.38/2,801,221.97
  6. Step 6: Final answer
    x = 2,364,478.70

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1.5x scale

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.