Home / 5,215,962.37-7,197,920.83-2,892,479.94

Finding the Fourth Proportional to 5,215,962.37, 7,197,920.83 and 2,892,479.94

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Solution

The fourth proportional to 5,215,962.37, 7,197,920.83 and 2,892,479.94 is: 3,991,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,962.37 : 7,197,920.83 = 2,892,479.94 : x
  2. Step 2: Convert to fraction form
    5,215,962.37/7,197,920.83 = 2,892,479.94/x
  3. Step 3: Cross multiply
    5,215,962.37x = 7,197,920.83 × 2,892,479.94
  4. Step 4: Simplify right side
    5,215,962.37x = 20,819,841,603,251.95
  5. Step 5: Solve for x
    x = 20,819,841,603,251.95/5,215,962.37
  6. Step 6: Final answer
    x = 3,991,562.85

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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.