Home / 2,121,318.30-2,926,907.19-1,250,188.81

Finding the Fourth Proportional to 2,121,318.30, 2,926,907.19 and 1,250,188.81

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Solution

The fourth proportional to 2,121,318.30, 2,926,907.19 and 1,250,188.81 is: 1,724,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,318.30 : 2,926,907.19 = 1,250,188.81 : x
  2. Step 2: Convert to fraction form
    2,121,318.30/2,926,907.19 = 1,250,188.81/x
  3. Step 3: Cross multiply
    2,121,318.30x = 2,926,907.19 × 1,250,188.81
  4. Step 4: Simplify right side
    2,121,318.30x = 3,659,186,616,846.54
  5. Step 5: Solve for x
    x = 3,659,186,616,846.54/2,121,318.30
  6. Step 6: Final answer
    x = 1,724,958.78

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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.