Home / 1,892,191.87-2,839,119.27-993,424.78

Finding the Fourth Proportional to 1,892,191.87, 2,839,119.27 and 993,424.78

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Solution

The fourth proportional to 1,892,191.87, 2,839,119.27 and 993,424.78 is: 1,490,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,191.87 : 2,839,119.27 = 993,424.78 : x
  2. Step 2: Convert to fraction form
    1,892,191.87/2,839,119.27 = 993,424.78/x
  3. Step 3: Cross multiply
    1,892,191.87x = 2,839,119.27 × 993,424.78
  4. Step 4: Simplify right side
    1,892,191.87x = 2,820,451,436,193.51
  5. Step 5: Solve for x
    x = 2,820,451,436,193.51/1,892,191.87
  6. Step 6: Final answer
    x = 1,490,573.70

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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.