Home / 3,770,866.86-5,203,913.40-2,139,342.96

Finding the Fourth Proportional to 3,770,866.86, 5,203,913.40 and 2,139,342.96

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Solution

The fourth proportional to 3,770,866.86, 5,203,913.40 and 2,139,342.96 is: 2,952,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770,866.86 : 5,203,913.40 = 2,139,342.96 : x
  2. Step 2: Convert to fraction form
    3,770,866.86/5,203,913.40 = 2,139,342.96/x
  3. Step 3: Cross multiply
    3,770,866.86x = 5,203,913.40 × 2,139,342.96
  4. Step 4: Simplify right side
    3,770,866.86x = 11,132,955,496,739.66
  5. Step 5: Solve for x
    x = 11,132,955,496,739.66/3,770,866.86
  6. Step 6: Final answer
    x = 2,952,359.74

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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.