Home / 3,621,129.26-4,997,164.82-1,989,522.45

Finding the Fourth Proportional to 3,621,129.26, 4,997,164.82 and 1,989,522.45

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Solution

The fourth proportional to 3,621,129.26, 4,997,164.82 and 1,989,522.45 is: 2,745,544.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,129.26 : 4,997,164.82 = 1,989,522.45 : x
  2. Step 2: Convert to fraction form
    3,621,129.26/4,997,164.82 = 1,989,522.45/x
  3. Step 3: Cross multiply
    3,621,129.26x = 4,997,164.82 × 1,989,522.45
  4. Step 4: Simplify right side
    3,621,129.26x = 9,941,971,585,792.60
  5. Step 5: Solve for x
    x = 9,941,971,585,792.60/3,621,129.26
  6. Step 6: Final answer
    x = 2,745,544.52

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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.