Home / 3,456,631.10-5,185,195.78-1,326,715.22

Finding the Fourth Proportional to 3,456,631.10, 5,185,195.78 and 1,326,715.22

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Solution

The fourth proportional to 3,456,631.10, 5,185,195.78 and 1,326,715.22 is: 1,990,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,631.10 : 5,185,195.78 = 1,326,715.22 : x
  2. Step 2: Convert to fraction form
    3,456,631.10/5,185,195.78 = 1,326,715.22/x
  3. Step 3: Cross multiply
    3,456,631.10x = 5,185,195.78 × 1,326,715.22
  4. Step 4: Simplify right side
    3,456,631.10x = 6,879,278,131,907.13
  5. Step 5: Solve for x
    x = 6,879,278,131,907.13/3,456,631.10
  6. Step 6: Final answer
    x = 1,990,168.44

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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.