Home / 1,996,509.20-2,755,184.20-1,091,091.28

Finding the Fourth Proportional to 1,996,509.20, 2,755,184.20 and 1,091,091.28

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Solution

The fourth proportional to 1,996,509.20, 2,755,184.20 and 1,091,091.28 is: 1,505,706.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,509.20 : 2,755,184.20 = 1,091,091.28 : x
  2. Step 2: Convert to fraction form
    1,996,509.20/2,755,184.20 = 1,091,091.28/x
  3. Step 3: Cross multiply
    1,996,509.20x = 2,755,184.20 × 1,091,091.28
  4. Step 4: Simplify right side
    1,996,509.20x = 3,006,157,455,413.78
  5. Step 5: Solve for x
    x = 3,006,157,455,413.78/1,996,509.20
  6. Step 6: Final answer
    x = 1,505,706.79

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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.