Home / 3,854,977.75-5,319,985.94-2,135,937.43

Finding the Fourth Proportional to 3,854,977.75, 5,319,985.94 and 2,135,937.43

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Solution

The fourth proportional to 3,854,977.75, 5,319,985.94 and 2,135,937.43 is: 2,947,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854,977.75 : 5,319,985.94 = 2,135,937.43 : x
  2. Step 2: Convert to fraction form
    3,854,977.75/5,319,985.94 = 2,135,937.43/x
  3. Step 3: Cross multiply
    3,854,977.75x = 5,319,985.94 × 2,135,937.43
  4. Step 4: Simplify right side
    3,854,977.75x = 11,363,157,096,319.74
  5. Step 5: Solve for x
    x = 11,363,157,096,319.74/3,854,977.75
  6. Step 6: Final answer
    x = 2,947,658.28

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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.