Home / 2,808,695.88-4,213,160.46-915,453.72

Finding the Fourth Proportional to 2,808,695.88, 4,213,160.46 and 915,453.72

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Solution

The fourth proportional to 2,808,695.88, 4,213,160.46 and 915,453.72 is: 1,373,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,695.88 : 4,213,160.46 = 915,453.72 : x
  2. Step 2: Convert to fraction form
    2,808,695.88/4,213,160.46 = 915,453.72/x
  3. Step 3: Cross multiply
    2,808,695.88x = 4,213,160.46 × 915,453.72
  4. Step 4: Simplify right side
    2,808,695.88x = 3,856,953,416,063.91
  5. Step 5: Solve for x
    x = 3,856,953,416,063.91/2,808,695.88
  6. Step 6: Final answer
    x = 1,373,218.60

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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.