Home / 3,631,806.70-5,447,710.05-972,414.70

Finding the Fourth Proportional to 3,631,806.70, 5,447,710.05 and 972,414.70

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Solution

The fourth proportional to 3,631,806.70, 5,447,710.05 and 972,414.70 is: 1,458,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631,806.70 : 5,447,710.05 = 972,414.70 : x
  2. Step 2: Convert to fraction form
    3,631,806.70/5,447,710.05 = 972,414.70/x
  3. Step 3: Cross multiply
    3,631,806.70x = 5,447,710.05 × 972,414.70
  4. Step 4: Simplify right side
    3,631,806.70x = 5,297,433,333,957.73
  5. Step 5: Solve for x
    x = 5,297,433,333,957.73/3,631,806.70
  6. Step 6: Final answer
    x = 1,458,622.05

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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.