Home / 3,436,768.10-5,157,281.00-1,998,128.52

Finding the Fourth Proportional to 3,436,768.10, 5,157,281.00 and 1,998,128.52

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Solution

The fourth proportional to 3,436,768.10, 5,157,281.00 and 1,998,128.52 is: 2,998,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,768.10 : 5,157,281.00 = 1,998,128.52 : x
  2. Step 2: Convert to fraction form
    3,436,768.10/5,157,281.00 = 1,998,128.52/x
  3. Step 3: Cross multiply
    3,436,768.10x = 5,157,281.00 × 1,998,128.52
  4. Step 4: Simplify right side
    3,436,768.10x = 10,304,910,256,749.44
  5. Step 5: Solve for x
    x = 10,304,910,256,749.44/3,436,768.10
  6. Step 6: Final answer
    x = 2,998,430.49

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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.