Home / 2,135,971.33-2,947,649.41-1,155,910.40

Finding the Fourth Proportional to 2,135,971.33, 2,947,649.41 and 1,155,910.40

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Solution

The fourth proportional to 2,135,971.33, 2,947,649.41 and 1,155,910.40 is: 1,595,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,971.33 : 2,947,649.41 = 1,155,910.40 : x
  2. Step 2: Convert to fraction form
    2,135,971.33/2,947,649.41 = 1,155,910.40/x
  3. Step 3: Cross multiply
    2,135,971.33x = 2,947,649.41 × 1,155,910.40
  4. Step 4: Simplify right side
    2,135,971.33x = 3,407,218,614,027.37
  5. Step 5: Solve for x
    x = 3,407,218,614,027.37/2,135,971.33
  6. Step 6: Final answer
    x = 1,595,161.21

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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.