Home / 3,770,790.66-5,203,808.72-2,139,266.79

Finding the Fourth Proportional to 3,770,790.66, 5,203,808.72 and 2,139,266.79

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Solution

The fourth proportional to 3,770,790.66, 5,203,808.72 and 2,139,266.79 is: 2,952,254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770,790.66 : 5,203,808.72 = 2,139,266.79 : x
  2. Step 2: Convert to fraction form
    3,770,790.66/5,203,808.72 = 2,139,266.79/x
  3. Step 3: Cross multiply
    3,770,790.66x = 5,203,808.72 × 2,139,266.79
  4. Step 4: Simplify right side
    3,770,790.66x = 11,132,335,176,208.41
  5. Step 5: Solve for x
    x = 11,132,335,176,208.41/3,770,790.66
  6. Step 6: Final answer
    x = 2,952,254.89

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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.