Home / 3,606,013.80-5,409,020.70-1,209,936.60

Finding the Fourth Proportional to 3,606,013.80, 5,409,020.70 and 1,209,936.60

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Solution

The fourth proportional to 3,606,013.80, 5,409,020.70 and 1,209,936.60 is: 1,814,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606,013.80 : 5,409,020.70 = 1,209,936.60 : x
  2. Step 2: Convert to fraction form
    3,606,013.80/5,409,020.70 = 1,209,936.60/x
  3. Step 3: Cross multiply
    3,606,013.80x = 5,409,020.70 × 1,209,936.60
  4. Step 4: Simplify right side
    3,606,013.80x = 6,544,572,115,087.62
  5. Step 5: Solve for x
    x = 6,544,572,115,087.62/3,606,013.80
  6. Step 6: Final answer
    x = 1,814,904.90

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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.