Home / 1,615,184.80-2,228,906.64-1,011,905.44

Finding the Fourth Proportional to 1,615,184.80, 2,228,906.64 and 1,011,905.44

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Solution

The fourth proportional to 1,615,184.80, 2,228,906.64 and 1,011,905.44 is: 1,396,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,184.80 : 2,228,906.64 = 1,011,905.44 : x
  2. Step 2: Convert to fraction form
    1,615,184.80/2,228,906.64 = 1,011,905.44/x
  3. Step 3: Cross multiply
    1,615,184.80x = 2,228,906.64 × 1,011,905.44
  4. Step 4: Simplify right side
    1,615,184.80x = 2,255,442,754,268.12
  5. Step 5: Solve for x
    x = 2,255,442,754,268.12/1,615,184.80
  6. Step 6: Final answer
    x = 1,396,399.19

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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.