Home / 3,889,249.70-5,366,669.40-2,170,442.66

Finding the Fourth Proportional to 3,889,249.70, 5,366,669.40 and 2,170,442.66

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Solution

The fourth proportional to 3,889,249.70, 5,366,669.40 and 2,170,442.66 is: 2,994,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,249.70 : 5,366,669.40 = 2,170,442.66 : x
  2. Step 2: Convert to fraction form
    3,889,249.70/5,366,669.40 = 2,170,442.66/x
  3. Step 3: Cross multiply
    3,889,249.70x = 5,366,669.40 × 2,170,442.66
  4. Step 4: Simplify right side
    3,889,249.70x = 11,648,048,181,043.26
  5. Step 5: Solve for x
    x = 11,648,048,181,043.26/3,889,249.70
  6. Step 6: Final answer
    x = 2,994,934.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.