Home / 3,975,900.80-5,963,851.20-3,478,236.80

Finding the Fourth Proportional to 3,975,900.80, 5,963,851.20 and 3,478,236.80

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Solution

The fourth proportional to 3,975,900.80, 5,963,851.20 and 3,478,236.80 is: 5,217,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,900.80 : 5,963,851.20 = 3,478,236.80 : x
  2. Step 2: Convert to fraction form
    3,975,900.80/5,963,851.20 = 3,478,236.80/x
  3. Step 3: Cross multiply
    3,975,900.80x = 5,963,851.20 × 3,478,236.80
  4. Step 4: Simplify right side
    3,975,900.80x = 20,743,686,713,564.16
  5. Step 5: Solve for x
    x = 20,743,686,713,564.16/3,975,900.80
  6. Step 6: Final answer
    x = 5,217,355.20

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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.