Home / 2,105,013.88-3,157,910.22-666,059.44

Finding the Fourth Proportional to 2,105,013.88, 3,157,910.22 and 666,059.44

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Solution

The fourth proportional to 2,105,013.88, 3,157,910.22 and 666,059.44 is: 999,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,013.88 : 3,157,910.22 = 666,059.44 : x
  2. Step 2: Convert to fraction form
    2,105,013.88/3,157,910.22 = 666,059.44/x
  3. Step 3: Cross multiply
    2,105,013.88x = 3,157,910.22 × 666,059.44
  4. Step 4: Simplify right side
    2,105,013.88x = 2,103,355,912,703.48
  5. Step 5: Solve for x
    x = 2,103,355,912,703.48/2,105,013.88
  6. Step 6: Final answer
    x = 999,212.37

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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.