Home / 3,888,780.96-5,367,644.16-2,257,554.72

Finding the Fourth Proportional to 3,888,780.96, 5,367,644.16 and 2,257,554.72

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Solution

The fourth proportional to 3,888,780.96, 5,367,644.16 and 2,257,554.72 is: 3,116,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,780.96 : 5,367,644.16 = 2,257,554.72 : x
  2. Step 2: Convert to fraction form
    3,888,780.96/5,367,644.16 = 2,257,554.72/x
  3. Step 3: Cross multiply
    3,888,780.96x = 5,367,644.16 × 2,257,554.72
  4. Step 4: Simplify right side
    3,888,780.96x = 12,117,750,408,688.44
  5. Step 5: Solve for x
    x = 12,117,750,408,688.44/3,888,780.96
  6. Step 6: Final answer
    x = 3,116,079.44

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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.