Home / 2,821,191.06-3,895,900.78-1,964,094.90

Finding the Fourth Proportional to 2,821,191.06, 3,895,900.78 and 1,964,094.90

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Solution

The fourth proportional to 2,821,191.06, 3,895,900.78 and 1,964,094.90 is: 2,712,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,191.06 : 3,895,900.78 = 1,964,094.90 : x
  2. Step 2: Convert to fraction form
    2,821,191.06/3,895,900.78 = 1,964,094.90/x
  3. Step 3: Cross multiply
    2,821,191.06x = 3,895,900.78 × 1,964,094.90
  4. Step 4: Simplify right side
    2,821,191.06x = 7,651,918,852,904.02
  5. Step 5: Solve for x
    x = 7,651,918,852,904.02/2,821,191.06
  6. Step 6: Final answer
    x = 2,712,300.83

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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.