Home / 3,019,971.50-4,530,666.72-998,215.53

Finding the Fourth Proportional to 3,019,971.50, 4,530,666.72 and 998,215.53

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Solution

The fourth proportional to 3,019,971.50, 4,530,666.72 and 998,215.53 is: 1,497,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,971.50 : 4,530,666.72 = 998,215.53 : x
  2. Step 2: Convert to fraction form
    3,019,971.50/4,530,666.72 = 998,215.53/x
  3. Step 3: Cross multiply
    3,019,971.50x = 4,530,666.72 × 998,215.53
  4. Step 4: Simplify right side
    3,019,971.50x = 4,522,581,867,911.47
  5. Step 5: Solve for x
    x = 4,522,581,867,911.47/3,019,971.50
  6. Step 6: Final answer
    x = 1,497,557.80

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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.