Home / 3,887,992.04-5,365,432.37-2,169,112.91

Finding the Fourth Proportional to 3,887,992.04, 5,365,432.37 and 2,169,112.91

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Solution

The fourth proportional to 3,887,992.04, 5,365,432.37 and 2,169,112.91 is: 2,993,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,992.04 : 5,365,432.37 = 2,169,112.91 : x
  2. Step 2: Convert to fraction form
    3,887,992.04/5,365,432.37 = 2,169,112.91/x
  3. Step 3: Cross multiply
    3,887,992.04x = 5,365,432.37 × 2,169,112.91
  4. Step 4: Simplify right side
    3,887,992.04x = 11,638,228,600,094.52
  5. Step 5: Solve for x
    x = 11,638,228,600,094.52/3,887,992.04
  6. Step 6: Final answer
    x = 2,993,377.69

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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.