Home / 3,686,395.57-5,532,052.82-1,290,240.30

Finding the Fourth Proportional to 3,686,395.57, 5,532,052.82 and 1,290,240.30

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Solution

The fourth proportional to 3,686,395.57, 5,532,052.82 and 1,290,240.30 is: 1,936,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,395.57 : 5,532,052.82 = 1,290,240.30 : x
  2. Step 2: Convert to fraction form
    3,686,395.57/5,532,052.82 = 1,290,240.30/x
  3. Step 3: Cross multiply
    3,686,395.57x = 5,532,052.82 × 1,290,240.30
  4. Step 4: Simplify right side
    3,686,395.57x = 7,137,677,504,386.64
  5. Step 5: Solve for x
    x = 7,137,677,504,386.64/3,686,395.57
  6. Step 6: Final answer
    x = 1,936,221.27

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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.