Home / 3,348,321.76-5,021,944.56-918,907.39

Finding the Fourth Proportional to 3,348,321.76, 5,021,944.56 and 918,907.39

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Solution

The fourth proportional to 3,348,321.76, 5,021,944.56 and 918,907.39 is: 1,378,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348,321.76 : 5,021,944.56 = 918,907.39 : x
  2. Step 2: Convert to fraction form
    3,348,321.76/5,021,944.56 = 918,907.39/x
  3. Step 3: Cross multiply
    3,348,321.76x = 5,021,944.56 × 918,907.39
  4. Step 4: Simplify right side
    3,348,321.76x = 4,614,701,968,354.30
  5. Step 5: Solve for x
    x = 4,614,701,968,354.30/3,348,321.76
  6. Step 6: Final answer
    x = 1,378,213.42

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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.