Home / 2,126,186.41-3,188,392.84-666,856.85

Finding the Fourth Proportional to 2,126,186.41, 3,188,392.84 and 666,856.85

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Solution

The fourth proportional to 2,126,186.41, 3,188,392.84 and 666,856.85 is: 1,000,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,186.41 : 3,188,392.84 = 666,856.85 : x
  2. Step 2: Convert to fraction form
    2,126,186.41/3,188,392.84 = 666,856.85/x
  3. Step 3: Cross multiply
    2,126,186.41x = 3,188,392.84 × 666,856.85
  4. Step 4: Simplify right side
    2,126,186.41x = 2,126,201,586,568.71
  5. Step 5: Solve for x
    x = 2,126,201,586,568.71/2,126,186.41
  6. Step 6: Final answer
    x = 1,000,007.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.