Home / 3,645,143.32-5,030,245.20-1,991,270.32

Finding the Fourth Proportional to 3,645,143.32, 5,030,245.20 and 1,991,270.32

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Solution

The fourth proportional to 3,645,143.32, 5,030,245.20 and 1,991,270.32 is: 2,747,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645,143.32 : 5,030,245.20 = 1,991,270.32 : x
  2. Step 2: Convert to fraction form
    3,645,143.32/5,030,245.20 = 1,991,270.32/x
  3. Step 3: Cross multiply
    3,645,143.32x = 5,030,245.20 × 1,991,270.32
  4. Step 4: Simplify right side
    3,645,143.32x = 10,016,577,969,082.46
  5. Step 5: Solve for x
    x = 10,016,577,969,082.46/3,645,143.32
  6. Step 6: Final answer
    x = 2,747,924.32

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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.