Home / 3,670,391.90-5,505,529.50-900,689.44

Finding the Fourth Proportional to 3,670,391.90, 5,505,529.50 and 900,689.44

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Solution

The fourth proportional to 3,670,391.90, 5,505,529.50 and 900,689.44 is: 1,351,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,391.90 : 5,505,529.50 = 900,689.44 : x
  2. Step 2: Convert to fraction form
    3,670,391.90/5,505,529.50 = 900,689.44/x
  3. Step 3: Cross multiply
    3,670,391.90x = 5,505,529.50 × 900,689.44
  4. Step 4: Simplify right side
    3,670,391.90x = 4,958,772,282,258.48
  5. Step 5: Solve for x
    x = 4,958,772,282,258.48/3,670,391.90
  6. Step 6: Final answer
    x = 1,351,019.84

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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.