Home / 1,917,175.08-2,642,491.49-1,684,005.35

Finding the Fourth Proportional to 1,917,175.08, 2,642,491.49 and 1,684,005.35

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Solution

The fourth proportional to 1,917,175.08, 2,642,491.49 and 1,684,005.35 is: 2,321,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,175.08 : 2,642,491.49 = 1,684,005.35 : x
  2. Step 2: Convert to fraction form
    1,917,175.08/2,642,491.49 = 1,684,005.35/x
  3. Step 3: Cross multiply
    1,917,175.08x = 2,642,491.49 × 1,684,005.35
  4. Step 4: Simplify right side
    1,917,175.08x = 4,449,969,784,856.99
  5. Step 5: Solve for x
    x = 4,449,969,784,856.99/1,917,175.08
  6. Step 6: Final answer
    x = 2,321,107.67

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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.