Home / 3,019,971.87-4,530,667.29-998,215.90

Finding the Fourth Proportional to 3,019,971.87, 4,530,667.29 and 998,215.90

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Solution

The fourth proportional to 3,019,971.87, 4,530,667.29 and 998,215.90 is: 1,497,558.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,971.87 : 4,530,667.29 = 998,215.90 : x
  2. Step 2: Convert to fraction form
    3,019,971.87/4,530,667.29 = 998,215.90/x
  3. Step 3: Cross multiply
    3,019,971.87x = 4,530,667.29 × 998,215.90
  4. Step 4: Simplify right side
    3,019,971.87x = 4,522,584,128,407.94
  5. Step 5: Solve for x
    x = 4,522,584,128,407.94/3,019,971.87
  6. Step 6: Final answer
    x = 1,497,558.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.