Home / 1,617,113.05-2,231,576.89-891,945.19

Finding the Fourth Proportional to 1,617,113.05, 2,231,576.89 and 891,945.19

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Solution

The fourth proportional to 1,617,113.05, 2,231,576.89 and 891,945.19 is: 1,230,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,113.05 : 2,231,576.89 = 891,945.19 : x
  2. Step 2: Convert to fraction form
    1,617,113.05/2,231,576.89 = 891,945.19/x
  3. Step 3: Cross multiply
    1,617,113.05x = 2,231,576.89 × 891,945.19
  4. Step 4: Simplify right side
    1,617,113.05x = 1,990,444,273,150.66
  5. Step 5: Solve for x
    x = 1,990,444,273,150.66/1,617,113.05
  6. Step 6: Final answer
    x = 1,230,862.79

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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.