Home / 5,172,420.54-7,137,571.78-3,079,151.95

Finding the Fourth Proportional to 5,172,420.54, 7,137,571.78 and 3,079,151.95

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Solution

The fourth proportional to 5,172,420.54, 7,137,571.78 and 3,079,151.95 is: 4,249,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,420.54 : 7,137,571.78 = 3,079,151.95 : x
  2. Step 2: Convert to fraction form
    5,172,420.54/7,137,571.78 = 3,079,151.95/x
  3. Step 3: Cross multiply
    5,172,420.54x = 7,137,571.78 × 3,079,151.95
  4. Step 4: Simplify right side
    5,172,420.54x = 21,977,668,033,336.75
  5. Step 5: Solve for x
    x = 21,977,668,033,336.75/5,172,420.54
  6. Step 6: Final answer
    x = 4,249,010.28

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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.