Home / 3,115,522.80-4,673,721.60-985,384.80

Finding the Fourth Proportional to 3,115,522.80, 4,673,721.60 and 985,384.80

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Solution

The fourth proportional to 3,115,522.80, 4,673,721.60 and 985,384.80 is: 1,478,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,522.80 : 4,673,721.60 = 985,384.80 : x
  2. Step 2: Convert to fraction form
    3,115,522.80/4,673,721.60 = 985,384.80/x
  3. Step 3: Cross multiply
    3,115,522.80x = 4,673,721.60 × 985,384.80
  4. Step 4: Simplify right side
    3,115,522.80x = 4,605,414,224,071.68
  5. Step 5: Solve for x
    x = 4,605,414,224,071.68/3,115,522.80
  6. Step 6: Final answer
    x = 1,478,215.54

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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.