Home / 3,849,965.64-5,311,651.14-2,218,330.80

Finding the Fourth Proportional to 3,849,965.64, 5,311,651.14 and 2,218,330.80

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Solution

The fourth proportional to 3,849,965.64, 5,311,651.14 and 2,218,330.80 is: 3,060,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,965.64 : 5,311,651.14 = 2,218,330.80 : x
  2. Step 2: Convert to fraction form
    3,849,965.64/5,311,651.14 = 2,218,330.80/x
  3. Step 3: Cross multiply
    3,849,965.64x = 5,311,651.14 × 2,218,330.80
  4. Step 4: Simplify right side
    3,849,965.64x = 11,782,999,322,717.11
  5. Step 5: Solve for x
    x = 11,782,999,322,717.11/3,849,965.64
  6. Step 6: Final answer
    x = 3,060,546.62

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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.