Home / 3,908,580.43-5,393,710.05-2,166,175.66

Finding the Fourth Proportional to 3,908,580.43, 5,393,710.05 and 2,166,175.66

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Solution

The fourth proportional to 3,908,580.43, 5,393,710.05 and 2,166,175.66 is: 2,989,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,580.43 : 5,393,710.05 = 2,166,175.66 : x
  2. Step 2: Convert to fraction form
    3,908,580.43/5,393,710.05 = 2,166,175.66/x
  3. Step 3: Cross multiply
    3,908,580.43x = 5,393,710.05 × 2,166,175.66
  4. Step 4: Simplify right side
    3,908,580.43x = 11,683,723,427,407.38
  5. Step 5: Solve for x
    x = 11,683,723,427,407.38/3,908,580.43
  6. Step 6: Final answer
    x = 2,989,249.84

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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.