Home / 3,647,288.94-5,470,312.83-1,218,166.77

Finding the Fourth Proportional to 3,647,288.94, 5,470,312.83 and 1,218,166.77

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Solution

The fourth proportional to 3,647,288.94, 5,470,312.83 and 1,218,166.77 is: 1,827,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647,288.94 : 5,470,312.83 = 1,218,166.77 : x
  2. Step 2: Convert to fraction form
    3,647,288.94/5,470,312.83 = 1,218,166.77/x
  3. Step 3: Cross multiply
    3,647,288.94x = 5,470,312.83 × 1,218,166.77
  4. Step 4: Simplify right side
    3,647,288.94x = 6,663,753,311,010.66
  5. Step 5: Solve for x
    x = 6,663,753,311,010.66/3,647,288.94
  6. Step 6: Final answer
    x = 1,827,042.89

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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.