Home / 1,981,039.11-2,733,844.86-1,075,621.11

Finding the Fourth Proportional to 1,981,039.11, 2,733,844.86 and 1,075,621.11

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Solution

The fourth proportional to 1,981,039.11, 2,733,844.86 and 1,075,621.11 is: 1,484,363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,039.11 : 2,733,844.86 = 1,075,621.11 : x
  2. Step 2: Convert to fraction form
    1,981,039.11/2,733,844.86 = 1,075,621.11/x
  3. Step 3: Cross multiply
    1,981,039.11x = 2,733,844.86 × 1,075,621.11
  4. Step 4: Simplify right side
    1,981,039.11x = 2,940,581,242,880.99
  5. Step 5: Solve for x
    x = 2,940,581,242,880.99/1,981,039.11
  6. Step 6: Final answer
    x = 1,484,363.04

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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.