Home / 3,771,123.78-5,204,268.93-2,139,599.91

Finding the Fourth Proportional to 3,771,123.78, 5,204,268.93 and 2,139,599.91

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Solution

The fourth proportional to 3,771,123.78, 5,204,268.93 and 2,139,599.91 is: 2,952,714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771,123.78 : 5,204,268.93 = 2,139,599.91 : x
  2. Step 2: Convert to fraction form
    3,771,123.78/5,204,268.93 = 2,139,599.91/x
  3. Step 3: Cross multiply
    3,771,123.78x = 5,204,268.93 × 2,139,599.91
  4. Step 4: Simplify right side
    3,771,123.78x = 11,135,053,361,783.30
  5. Step 5: Solve for x
    x = 11,135,053,361,783.30/3,771,123.78
  6. Step 6: Final answer
    x = 2,952,714.89

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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.