Home / 3,993,090.40-5,980,304.40-3,912,911.20

Finding the Fourth Proportional to 3,993,090.40, 5,980,304.40 and 3,912,911.20

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Solution

The fourth proportional to 3,993,090.40, 5,980,304.40 and 3,912,911.20 is: 5,860,222.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993,090.40 : 5,980,304.40 = 3,912,911.20 : x
  2. Step 2: Convert to fraction form
    3,993,090.40/5,980,304.40 = 3,912,911.20/x
  3. Step 3: Cross multiply
    3,993,090.40x = 5,980,304.40 × 3,912,911.20
  4. Step 4: Simplify right side
    3,993,090.40x = 23,400,400,066,169.28
  5. Step 5: Solve for x
    x = 23,400,400,066,169.28/3,993,090.40
  6. Step 6: Final answer
    x = 5,860,222.97

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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.