Home / 2,667,918.80-4,001,887.60-646,164.04

Finding the Fourth Proportional to 2,667,918.80, 4,001,887.60 and 646,164.04

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Solution

The fourth proportional to 2,667,918.80, 4,001,887.60 and 646,164.04 is: 969,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,918.80 : 4,001,887.60 = 646,164.04 : x
  2. Step 2: Convert to fraction form
    2,667,918.80/4,001,887.60 = 646,164.04/x
  3. Step 3: Cross multiply
    2,667,918.80x = 4,001,887.60 × 646,164.04
  4. Step 4: Simplify right side
    2,667,918.80x = 2,585,875,859,241.90
  5. Step 5: Solve for x
    x = 2,585,875,859,241.90/2,667,918.80
  6. Step 6: Final answer
    x = 969,248.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.