Home / 2,105,809.28-2,906,017.26-1,188,233.18

Finding the Fourth Proportional to 2,105,809.28, 2,906,017.26 and 1,188,233.18

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Solution

The fourth proportional to 2,105,809.28, 2,906,017.26 and 1,188,233.18 is: 1,639,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,809.28 : 2,906,017.26 = 1,188,233.18 : x
  2. Step 2: Convert to fraction form
    2,105,809.28/2,906,017.26 = 1,188,233.18/x
  3. Step 3: Cross multiply
    2,105,809.28x = 2,906,017.26 × 1,188,233.18
  4. Step 4: Simplify right side
    2,105,809.28x = 3,453,026,129,984.69
  5. Step 5: Solve for x
    x = 3,453,026,129,984.69/2,105,809.28
  6. Step 6: Final answer
    x = 1,639,762.04

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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.