Home / 3,193,145.80-4,789,718.70-948,992.20

Finding the Fourth Proportional to 3,193,145.80, 4,789,718.70 and 948,992.20

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Solution

The fourth proportional to 3,193,145.80, 4,789,718.70 and 948,992.20 is: 1,423,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193,145.80 : 4,789,718.70 = 948,992.20 : x
  2. Step 2: Convert to fraction form
    3,193,145.80/4,789,718.70 = 948,992.20/x
  3. Step 3: Cross multiply
    3,193,145.80x = 4,789,718.70 × 948,992.20
  4. Step 4: Simplify right side
    3,193,145.80x = 4,545,405,686,494.14
  5. Step 5: Solve for x
    x = 4,545,405,686,494.14/3,193,145.80
  6. Step 6: Final answer
    x = 1,423,488.30

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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.