Home / 5,228,745.70-7,841,355.29-1,989,514.39

Finding the Fourth Proportional to 5,228,745.70, 7,841,355.29 and 1,989,514.39

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Solution

The fourth proportional to 5,228,745.70, 7,841,355.29 and 1,989,514.39 is: 2,983,600.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,745.70 : 7,841,355.29 = 1,989,514.39 : x
  2. Step 2: Convert to fraction form
    5,228,745.70/7,841,355.29 = 1,989,514.39/x
  3. Step 3: Cross multiply
    5,228,745.70x = 7,841,355.29 × 1,989,514.39
  4. Step 4: Simplify right side
    5,228,745.70x = 15,600,489,186,557.62
  5. Step 5: Solve for x
    x = 15,600,489,186,557.62/5,228,745.70
  6. Step 6: Final answer
    x = 2,983,600.67

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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.