Home / 2,262,163.32-3,121,845.12-1,229,740.56

Finding the Fourth Proportional to 2,262,163.32, 3,121,845.12 and 1,229,740.56

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Solution

The fourth proportional to 2,262,163.32, 3,121,845.12 and 1,229,740.56 is: 1,697,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262,163.32 : 3,121,845.12 = 1,229,740.56 : x
  2. Step 2: Convert to fraction form
    2,262,163.32/3,121,845.12 = 1,229,740.56/x
  3. Step 3: Cross multiply
    2,262,163.32x = 3,121,845.12 × 1,229,740.56
  4. Step 4: Simplify right side
    2,262,163.32x = 3,839,059,566,102.07
  5. Step 5: Solve for x
    x = 3,839,059,566,102.07/2,262,163.32
  6. Step 6: Final answer
    x = 1,697,074.45

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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.