Home / 2,821,187.56-3,895,895.94-1,964,091.40

Finding the Fourth Proportional to 2,821,187.56, 3,895,895.94 and 1,964,091.40

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Solution

The fourth proportional to 2,821,187.56, 3,895,895.94 and 1,964,091.40 is: 2,712,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,187.56 : 3,895,895.94 = 1,964,091.40 : x
  2. Step 2: Convert to fraction form
    2,821,187.56/3,895,895.94 = 1,964,091.40/x
  3. Step 3: Cross multiply
    2,821,187.56x = 3,895,895.94 × 1,964,091.40
  4. Step 4: Simplify right side
    2,821,187.56x = 7,651,895,711,048.92
  5. Step 5: Solve for x
    x = 7,651,895,711,048.92/2,821,187.56
  6. Step 6: Final answer
    x = 2,712,295.99

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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.