Home / 1,981,037.61-2,733,842.79-1,075,619.61

Finding the Fourth Proportional to 1,981,037.61, 2,733,842.79 and 1,075,619.61

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Solution

The fourth proportional to 1,981,037.61, 2,733,842.79 and 1,075,619.61 is: 1,484,360.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,037.61 : 2,733,842.79 = 1,075,619.61 : x
  2. Step 2: Convert to fraction form
    1,981,037.61/2,733,842.79 = 1,075,619.61/x
  3. Step 3: Cross multiply
    1,981,037.61x = 2,733,842.79 × 1,075,619.61
  4. Step 4: Simplify right side
    1,981,037.61x = 2,940,574,915,581.11
  5. Step 5: Solve for x
    x = 2,940,574,915,581.11/1,981,037.61
  6. Step 6: Final answer
    x = 1,484,360.97

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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.