Home / 3,872,669.92-5,344,676.40-2,219,036.02

Finding the Fourth Proportional to 3,872,669.92, 5,344,676.40 and 2,219,036.02

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Solution

The fourth proportional to 3,872,669.92, 5,344,676.40 and 2,219,036.02 is: 3,062,494.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,669.92 : 5,344,676.40 = 2,219,036.02 : x
  2. Step 2: Convert to fraction form
    3,872,669.92/5,344,676.40 = 2,219,036.02/x
  3. Step 3: Cross multiply
    3,872,669.92x = 5,344,676.40 × 2,219,036.02
  4. Step 4: Simplify right side
    3,872,669.92x = 11,860,029,446,843.93
  5. Step 5: Solve for x
    x = 11,860,029,446,843.93/3,872,669.92
  6. Step 6: Final answer
    x = 3,062,494.27

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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.