Home / 6,388,938.46-8,815,695.17-3,775,079.09

Finding the Fourth Proportional to 6,388,938.46, 8,815,695.17 and 3,775,079.09

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Solution

The fourth proportional to 6,388,938.46, 8,815,695.17 and 3,775,079.09 is: 5,208,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,938.46 : 8,815,695.17 = 3,775,079.09 : x
  2. Step 2: Convert to fraction form
    6,388,938.46/8,815,695.17 = 3,775,079.09/x
  3. Step 3: Cross multiply
    6,388,938.46x = 8,815,695.17 × 3,775,079.09
  4. Step 4: Simplify right side
    6,388,938.46x = 33,279,946,503,244.83
  5. Step 5: Solve for x
    x = 33,279,946,503,244.83/6,388,938.46
  6. Step 6: Final answer
    x = 5,208,994.69

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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.