Home / 3,690,477.80-5,538,185.86-1,531,502.84

Finding the Fourth Proportional to 3,690,477.80, 5,538,185.86 and 1,531,502.84

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Solution

The fourth proportional to 3,690,477.80, 5,538,185.86 and 1,531,502.84 is: 2,298,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,477.80 : 5,538,185.86 = 1,531,502.84 : x
  2. Step 2: Convert to fraction form
    3,690,477.80/5,538,185.86 = 1,531,502.84/x
  3. Step 3: Cross multiply
    3,690,477.80x = 5,538,185.86 × 1,531,502.84
  4. Step 4: Simplify right side
    3,690,477.80x = 8,481,747,373,037.84
  5. Step 5: Solve for x
    x = 8,481,747,373,037.84/3,690,477.80
  6. Step 6: Final answer
    x = 2,298,278.93

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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.