Home / 3,771,212.45-5,204,390.54-2,139,688.58

Finding the Fourth Proportional to 3,771,212.45, 5,204,390.54 and 2,139,688.58

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Solution

The fourth proportional to 3,771,212.45, 5,204,390.54 and 2,139,688.58 is: 2,952,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771,212.45 : 5,204,390.54 = 2,139,688.58 : x
  2. Step 2: Convert to fraction form
    3,771,212.45/5,204,390.54 = 2,139,688.58/x
  3. Step 3: Cross multiply
    3,771,212.45x = 5,204,390.54 × 2,139,688.58
  4. Step 4: Simplify right side
    3,771,212.45x = 11,135,774,967,577.64
  5. Step 5: Solve for x
    x = 11,135,774,967,577.64/3,771,212.45
  6. Step 6: Final answer
    x = 2,952,836.82

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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.