Home / 2,135,669.96-2,947,196.82-1,168,782.68

Finding the Fourth Proportional to 2,135,669.96, 2,947,196.82 and 1,168,782.68

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Solution

The fourth proportional to 2,135,669.96, 2,947,196.82 and 1,168,782.68 is: 1,612,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,669.96 : 2,947,196.82 = 1,168,782.68 : x
  2. Step 2: Convert to fraction form
    2,135,669.96/2,947,196.82 = 1,168,782.68/x
  3. Step 3: Cross multiply
    2,135,669.96x = 2,947,196.82 × 1,168,782.68
  4. Step 4: Simplify right side
    2,135,669.96x = 3,444,632,597,767.08
  5. Step 5: Solve for x
    x = 3,444,632,597,767.08/2,135,669.96
  6. Step 6: Final answer
    x = 1,612,904.93

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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.