Home / 3,681,375.81-5,080,237.95-2,153,741.73

Finding the Fourth Proportional to 3,681,375.81, 5,080,237.95 and 2,153,741.73

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Solution

The fourth proportional to 3,681,375.81, 5,080,237.95 and 2,153,741.73 is: 2,972,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681,375.81 : 5,080,237.95 = 2,153,741.73 : x
  2. Step 2: Convert to fraction form
    3,681,375.81/5,080,237.95 = 2,153,741.73/x
  3. Step 3: Cross multiply
    3,681,375.81x = 5,080,237.95 × 2,153,741.73
  4. Step 4: Simplify right side
    3,681,375.81x = 10,941,520,471,244.65
  5. Step 5: Solve for x
    x = 10,941,520,471,244.65/3,681,375.81
  6. Step 6: Final answer
    x = 2,972,128.09

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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.