Home / 3,780,741.62-5,217,216.08-2,148,922.51

Finding the Fourth Proportional to 3,780,741.62, 5,217,216.08 and 2,148,922.51

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Solution

The fourth proportional to 3,780,741.62, 5,217,216.08 and 2,148,922.51 is: 2,965,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,741.62 : 5,217,216.08 = 2,148,922.51 : x
  2. Step 2: Convert to fraction form
    3,780,741.62/5,217,216.08 = 2,148,922.51/x
  3. Step 3: Cross multiply
    3,780,741.62x = 5,217,216.08 × 2,148,922.51
  4. Step 4: Simplify right side
    3,780,741.62x = 11,211,393,050,058.31
  5. Step 5: Solve for x
    x = 11,211,393,050,058.31/3,780,741.62
  6. Step 6: Final answer
    x = 2,965,395.20

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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.