Home / 5,228,989.35-7,216,180.53-2,905,979.82

Finding the Fourth Proportional to 5,228,989.35, 7,216,180.53 and 2,905,979.82

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Solution

The fourth proportional to 5,228,989.35, 7,216,180.53 and 2,905,979.82 is: 4,010,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,989.35 : 7,216,180.53 = 2,905,979.82 : x
  2. Step 2: Convert to fraction form
    5,228,989.35/7,216,180.53 = 2,905,979.82/x
  3. Step 3: Cross multiply
    5,228,989.35x = 7,216,180.53 × 2,905,979.82
  4. Step 4: Simplify right side
    5,228,989.35x = 20,970,074,997,656.90
  5. Step 5: Solve for x
    x = 20,970,074,997,656.90/5,228,989.35
  6. Step 6: Final answer
    x = 4,010,349.53

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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.