Home / 2,312,010.81-3,188,467.26-1,985,221.71

Finding the Fourth Proportional to 2,312,010.81, 3,188,467.26 and 1,985,221.71

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Solution

The fourth proportional to 2,312,010.81, 3,188,467.26 and 1,985,221.71 is: 2,737,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,010.81 : 3,188,467.26 = 1,985,221.71 : x
  2. Step 2: Convert to fraction form
    2,312,010.81/3,188,467.26 = 1,985,221.71/x
  3. Step 3: Cross multiply
    2,312,010.81x = 3,188,467.26 × 1,985,221.71
  4. Step 4: Simplify right side
    2,312,010.81x = 6,329,814,426,176.21
  5. Step 5: Solve for x
    x = 6,329,814,426,176.21/2,312,010.81
  6. Step 6: Final answer
    x = 2,737,796.21

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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.