Home / 3,783,962.61-5,672,568.24-1,387,247.67

Finding the Fourth Proportional to 3,783,962.61, 5,672,568.24 and 1,387,247.67

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Solution

The fourth proportional to 3,783,962.61, 5,672,568.24 and 1,387,247.67 is: 2,079,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,962.61 : 5,672,568.24 = 1,387,247.67 : x
  2. Step 2: Convert to fraction form
    3,783,962.61/5,672,568.24 = 1,387,247.67/x
  3. Step 3: Cross multiply
    3,783,962.61x = 5,672,568.24 × 1,387,247.67
  4. Step 4: Simplify right side
    3,783,962.61x = 7,869,257,073,856.00
  5. Step 5: Solve for x
    x = 7,869,257,073,856.00/3,783,962.61
  6. Step 6: Final answer
    x = 2,079,633.94

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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.