Home / 3,873,696.12-5,345,741.40-2,131,388.28

Finding the Fourth Proportional to 3,873,696.12, 5,345,741.40 and 2,131,388.28

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Solution

The fourth proportional to 3,873,696.12, 5,345,741.40 and 2,131,388.28 is: 2,941,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873,696.12 : 5,345,741.40 = 2,131,388.28 : x
  2. Step 2: Convert to fraction form
    3,873,696.12/5,345,741.40 = 2,131,388.28/x
  3. Step 3: Cross multiply
    3,873,696.12x = 5,345,741.40 × 2,131,388.28
  4. Step 4: Simplify right side
    3,873,696.12x = 11,393,850,567,870.79
  5. Step 5: Solve for x
    x = 11,393,850,567,870.79/3,873,696.12
  6. Step 6: Final answer
    x = 2,941,338.25

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1.5x scale

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.