Home / 3,889,740.45-5,362,851.80-3,189,441.12

Finding the Fourth Proportional to 3,889,740.45, 5,362,851.80 and 3,189,441.12

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Solution

The fourth proportional to 3,889,740.45, 5,362,851.80 and 3,189,441.12 is: 4,397,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,740.45 : 5,362,851.80 = 3,189,441.12 : x
  2. Step 2: Convert to fraction form
    3,889,740.45/5,362,851.80 = 3,189,441.12/x
  3. Step 3: Cross multiply
    3,889,740.45x = 5,362,851.80 × 3,189,441.12
  4. Step 4: Simplify right side
    3,889,740.45x = 17,104,500,021,308.32
  5. Step 5: Solve for x
    x = 17,104,500,021,308.32/3,889,740.45
  6. Step 6: Final answer
    x = 4,397,337.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.