Home / 5,172,418.23-7,137,400.18-3,185,237.93

Finding the Fourth Proportional to 5,172,418.23, 7,137,400.18 and 3,185,237.93

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Solution

The fourth proportional to 5,172,418.23, 7,137,400.18 and 3,185,237.93 is: 4,395,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,418.23 : 7,137,400.18 = 3,185,237.93 : x
  2. Step 2: Convert to fraction form
    5,172,418.23/7,137,400.18 = 3,185,237.93/x
  3. Step 3: Cross multiply
    5,172,418.23x = 7,137,400.18 × 3,185,237.93
  4. Step 4: Simplify right side
    5,172,418.23x = 22,734,317,728,289.53
  5. Step 5: Solve for x
    x = 22,734,317,728,289.53/5,172,418.23
  6. Step 6: Final answer
    x = 4,395,297.66

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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.