Home / 3,005,723.64-4,497,942.68-1,869,021.12

Finding the Fourth Proportional to 3,005,723.64, 4,497,942.68 and 1,869,021.12

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Solution

The fourth proportional to 3,005,723.64, 4,497,942.68 and 1,869,021.12 is: 2,796,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,723.64 : 4,497,942.68 = 1,869,021.12 : x
  2. Step 2: Convert to fraction form
    3,005,723.64/4,497,942.68 = 1,869,021.12/x
  3. Step 3: Cross multiply
    3,005,723.64x = 4,497,942.68 × 1,869,021.12
  4. Step 4: Simplify right side
    3,005,723.64x = 8,406,749,865,469.40
  5. Step 5: Solve for x
    x = 8,406,749,865,469.40/3,005,723.64
  6. Step 6: Final answer
    x = 2,796,913.78

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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.