Home / 3,101,905.73-4,652,860.21-972,155.72

Finding the Fourth Proportional to 3,101,905.73, 4,652,860.21 and 972,155.72

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Solution

The fourth proportional to 3,101,905.73, 4,652,860.21 and 972,155.72 is: 1,458,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,905.73 : 4,652,860.21 = 972,155.72 : x
  2. Step 2: Convert to fraction form
    3,101,905.73/4,652,860.21 = 972,155.72/x
  3. Step 3: Cross multiply
    3,101,905.73x = 4,652,860.21 × 972,155.72
  4. Step 4: Simplify right side
    3,101,905.73x = 4,523,304,644,247.60
  5. Step 5: Solve for x
    x = 4,523,304,644,247.60/3,101,905.73
  6. Step 6: Final answer
    x = 1,458,234.08

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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.