Home / 3,171,846.81-4,757,728.98-775,712.19

Finding the Fourth Proportional to 3,171,846.81, 4,757,728.98 and 775,712.19

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Solution

The fourth proportional to 3,171,846.81, 4,757,728.98 and 775,712.19 is: 1,163,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,846.81 : 4,757,728.98 = 775,712.19 : x
  2. Step 2: Convert to fraction form
    3,171,846.81/4,757,728.98 = 775,712.19/x
  3. Step 3: Cross multiply
    3,171,846.81x = 4,757,728.98 × 775,712.19
  4. Step 4: Simplify right side
    3,171,846.81x = 3,690,628,366,502.27
  5. Step 5: Solve for x
    x = 3,690,628,366,502.27/3,171,846.81
  6. Step 6: Final answer
    x = 1,163,558.20

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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.