Home / 3,938,455.76-5,907,158.66-1,098,330.08

Finding the Fourth Proportional to 3,938,455.76, 5,907,158.66 and 1,098,330.08

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Solution

The fourth proportional to 3,938,455.76, 5,907,158.66 and 1,098,330.08 is: 1,647,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,455.76 : 5,907,158.66 = 1,098,330.08 : x
  2. Step 2: Convert to fraction form
    3,938,455.76/5,907,158.66 = 1,098,330.08/x
  3. Step 3: Cross multiply
    3,938,455.76x = 5,907,158.66 × 1,098,330.08
  4. Step 4: Simplify right side
    3,938,455.76x = 6,488,010,008,583.05
  5. Step 5: Solve for x
    x = 6,488,010,008,583.05/3,938,455.76
  6. Step 6: Final answer
    x = 1,647,348.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.