Home / 1,912,682.06-2,639,300.58-1,085,492.21

Finding the Fourth Proportional to 1,912,682.06, 2,639,300.58 and 1,085,492.21

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Solution

The fourth proportional to 1,912,682.06, 2,639,300.58 and 1,085,492.21 is: 1,497,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,682.06 : 2,639,300.58 = 1,085,492.21 : x
  2. Step 2: Convert to fraction form
    1,912,682.06/2,639,300.58 = 1,085,492.21/x
  3. Step 3: Cross multiply
    1,912,682.06x = 2,639,300.58 × 1,085,492.21
  4. Step 4: Simplify right side
    1,912,682.06x = 2,864,940,206,241.98
  5. Step 5: Solve for x
    x = 2,864,940,206,241.98/1,912,682.06
  6. Step 6: Final answer
    x = 1,497,865.36

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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.