Home / 2,181,268.12-3,009,370.98-1,262,996.11

Finding the Fourth Proportional to 2,181,268.12, 3,009,370.98 and 1,262,996.11

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Solution

The fourth proportional to 2,181,268.12, 3,009,370.98 and 1,262,996.11 is: 1,742,483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,268.12 : 3,009,370.98 = 1,262,996.11 : x
  2. Step 2: Convert to fraction form
    2,181,268.12/3,009,370.98 = 1,262,996.11/x
  3. Step 3: Cross multiply
    2,181,268.12x = 3,009,370.98 × 1,262,996.11
  4. Step 4: Simplify right side
    2,181,268.12x = 3,800,823,841,286.89
  5. Step 5: Solve for x
    x = 3,800,823,841,286.89/2,181,268.12
  6. Step 6: Final answer
    x = 1,742,483.56

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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.