Home / 2,146,362.96-2,961,334.92-1,286,609.52

Finding the Fourth Proportional to 2,146,362.96, 2,961,334.92 and 1,286,609.52

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Solution

The fourth proportional to 2,146,362.96, 2,961,334.92 and 1,286,609.52 is: 1,775,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,362.96 : 2,961,334.92 = 1,286,609.52 : x
  2. Step 2: Convert to fraction form
    2,146,362.96/2,961,334.92 = 1,286,609.52/x
  3. Step 3: Cross multiply
    2,146,362.96x = 2,961,334.92 × 1,286,609.52
  4. Step 4: Simplify right side
    2,146,362.96x = 3,810,081,699,980.44
  5. Step 5: Solve for x
    x = 3,810,081,699,980.44/2,146,362.96
  6. Step 6: Final answer
    x = 1,775,133.92

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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.