Home / 3,172,773-4,378,477.61-1,722,467.28

Finding the Fourth Proportional to 3,172,773, 4,378,477.61 and 1,722,467.28

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Solution

The fourth proportional to 3,172,773, 4,378,477.61 and 1,722,467.28 is: 2,377,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,773 : 4,378,477.61 = 1,722,467.28 : x
  2. Step 2: Convert to fraction form
    3,172,773/4,378,477.61 = 1,722,467.28/x
  3. Step 3: Cross multiply
    3,172,773x = 4,378,477.61 × 1,722,467.28
  4. Step 4: Simplify right side
    3,172,773x = 7,541,784,419,437.60
  5. Step 5: Solve for x
    x = 7,541,784,419,437.60/3,172,773
  6. Step 6: Final answer
    x = 2,377,032.46

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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.