Home / 3,403,814.40-5,105,721.60-3,143,998.80

Finding the Fourth Proportional to 3,403,814.40, 5,105,721.60 and 3,143,998.80

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Solution

The fourth proportional to 3,403,814.40, 5,105,721.60 and 3,143,998.80 is: 4,715,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403,814.40 : 5,105,721.60 = 3,143,998.80 : x
  2. Step 2: Convert to fraction form
    3,403,814.40/5,105,721.60 = 3,143,998.80/x
  3. Step 3: Cross multiply
    3,403,814.40x = 5,105,721.60 × 3,143,998.80
  4. Step 4: Simplify right side
    3,403,814.40x = 16,052,382,583,534.08
  5. Step 5: Solve for x
    x = 16,052,382,583,534.08/3,403,814.40
  6. Step 6: Final answer
    x = 4,715,998.20

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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.