Home / 2,124,313.72-2,930,213.82-1,264,231.96

Finding the Fourth Proportional to 2,124,313.72, 2,930,213.82 and 1,264,231.96

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Solution

The fourth proportional to 2,124,313.72, 2,930,213.82 and 1,264,231.96 is: 1,743,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,313.72 : 2,930,213.82 = 1,264,231.96 : x
  2. Step 2: Convert to fraction form
    2,124,313.72/2,930,213.82 = 1,264,231.96/x
  3. Step 3: Cross multiply
    2,124,313.72x = 2,930,213.82 × 1,264,231.96
  4. Step 4: Simplify right side
    2,124,313.72x = 3,704,469,960,877.69
  5. Step 5: Solve for x
    x = 3,704,469,960,877.69/2,124,313.72
  6. Step 6: Final answer
    x = 1,743,843.16

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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.