Home / 2,105,889.59-2,906,128.19-1,188,313.19

Finding the Fourth Proportional to 2,105,889.59, 2,906,128.19 and 1,188,313.19

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Solution

The fourth proportional to 2,105,889.59, 2,906,128.19 and 1,188,313.19 is: 1,639,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,889.59 : 2,906,128.19 = 1,188,313.19 : x
  2. Step 2: Convert to fraction form
    2,105,889.59/2,906,128.19 = 1,188,313.19/x
  3. Step 3: Cross multiply
    2,105,889.59x = 2,906,128.19 × 1,188,313.19
  4. Step 4: Simplify right side
    2,105,889.59x = 3,453,390,459,345.95
  5. Step 5: Solve for x
    x = 3,453,390,459,345.95/2,105,889.59
  6. Step 6: Final answer
    x = 1,639,872.51

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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.