Home / 3,940,876.66-5,906,522.47-2,788,455.24

Finding the Fourth Proportional to 3,940,876.66, 5,906,522.47 and 2,788,455.24

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Solution

The fourth proportional to 3,940,876.66, 5,906,522.47 and 2,788,455.24 is: 4,179,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,876.66 : 5,906,522.47 = 2,788,455.24 : x
  2. Step 2: Convert to fraction form
    3,940,876.66/5,906,522.47 = 2,788,455.24/x
  3. Step 3: Cross multiply
    3,940,876.66x = 5,906,522.47 × 2,788,455.24
  4. Step 4: Simplify right side
    3,940,876.66x = 16,470,073,562,666.84
  5. Step 5: Solve for x
    x = 16,470,073,562,666.84/3,940,876.66
  6. Step 6: Final answer
    x = 4,179,291.82

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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.