Home / 1,672,311.72-2,308,747.76-1,101,012.64

Finding the Fourth Proportional to 1,672,311.72, 2,308,747.76 and 1,101,012.64

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Solution

The fourth proportional to 1,672,311.72, 2,308,747.76 and 1,101,012.64 is: 1,520,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,311.72 : 2,308,747.76 = 1,101,012.64 : x
  2. Step 2: Convert to fraction form
    1,672,311.72/2,308,747.76 = 1,101,012.64/x
  3. Step 3: Cross multiply
    1,672,311.72x = 2,308,747.76 × 1,101,012.64
  4. Step 4: Simplify right side
    1,672,311.72x = 2,541,960,466,331.69
  5. Step 5: Solve for x
    x = 2,541,960,466,331.69/1,672,311.72
  6. Step 6: Final answer
    x = 1,520,027.90

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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.