Home / 4,644,129-6,408,317.76-2,578,863.78

Finding the Fourth Proportional to 4,644,129, 6,408,317.76 and 2,578,863.78

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Solution

The fourth proportional to 4,644,129, 6,408,317.76 and 2,578,863.78 is: 3,558,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644,129 : 6,408,317.76 = 2,578,863.78 : x
  2. Step 2: Convert to fraction form
    4,644,129/6,408,317.76 = 2,578,863.78/x
  3. Step 3: Cross multiply
    4,644,129x = 6,408,317.76 × 2,578,863.78
  4. Step 4: Simplify right side
    4,644,129x = 16,526,178,561,994.73
  5. Step 5: Solve for x
    x = 16,526,178,561,994.73/4,644,129
  6. Step 6: Final answer
    x = 3,558,509.80

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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.