Home / 3,015,478.28-4,161,245.82-1,726,438.52

Finding the Fourth Proportional to 3,015,478.28, 4,161,245.82 and 1,726,438.52

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Solution

The fourth proportional to 3,015,478.28, 4,161,245.82 and 1,726,438.52 is: 2,382,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,478.28 : 4,161,245.82 = 1,726,438.52 : x
  2. Step 2: Convert to fraction form
    3,015,478.28/4,161,245.82 = 1,726,438.52/x
  3. Step 3: Cross multiply
    3,015,478.28x = 4,161,245.82 × 1,726,438.52
  4. Step 4: Simplify right side
    3,015,478.28x = 7,184,135,074,836.99
  5. Step 5: Solve for x
    x = 7,184,135,074,836.99/3,015,478.28
  6. Step 6: Final answer
    x = 2,382,419.77

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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.