Home / 3,393,521.80-5,090,018.10-1,972,671.64

Finding the Fourth Proportional to 3,393,521.80, 5,090,018.10 and 1,972,671.64

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Solution

The fourth proportional to 3,393,521.80, 5,090,018.10 and 1,972,671.64 is: 2,958,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,521.80 : 5,090,018.10 = 1,972,671.64 : x
  2. Step 2: Convert to fraction form
    3,393,521.80/5,090,018.10 = 1,972,671.64/x
  3. Step 3: Cross multiply
    3,393,521.80x = 5,090,018.10 × 1,972,671.64
  4. Step 4: Simplify right side
    3,393,521.80x = 10,040,934,352,956.68
  5. Step 5: Solve for x
    x = 10,040,934,352,956.68/3,393,521.80
  6. Step 6: Final answer
    x = 2,958,853.65

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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.