Home / 2,077,307.38-3,121,440.90-1,118,471.91

Finding the Fourth Proportional to 2,077,307.38, 3,121,440.90 and 1,118,471.91

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Solution

The fourth proportional to 2,077,307.38, 3,121,440.90 and 1,118,471.91 is: 1,680,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,307.38 : 3,121,440.90 = 1,118,471.91 : x
  2. Step 2: Convert to fraction form
    2,077,307.38/3,121,440.90 = 1,118,471.91/x
  3. Step 3: Cross multiply
    2,077,307.38x = 3,121,440.90 × 1,118,471.91
  4. Step 4: Simplify right side
    2,077,307.38x = 3,491,243,965,375.12
  5. Step 5: Solve for x
    x = 3,491,243,965,375.12/2,077,307.38
  6. Step 6: Final answer
    x = 1,680,658.34

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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.