Home / 3,670,389.90-5,505,526.50-900,687.44

Finding the Fourth Proportional to 3,670,389.90, 5,505,526.50 and 900,687.44

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Solution

The fourth proportional to 3,670,389.90, 5,505,526.50 and 900,687.44 is: 1,351,016.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,389.90 : 5,505,526.50 = 900,687.44 : x
  2. Step 2: Convert to fraction form
    3,670,389.90/5,505,526.50 = 900,687.44/x
  3. Step 3: Cross multiply
    3,670,389.90x = 5,505,526.50 × 900,687.44
  4. Step 4: Simplify right side
    3,670,389.90x = 4,958,758,569,137.16
  5. Step 5: Solve for x
    x = 4,958,758,569,137.16/3,670,389.90
  6. Step 6: Final answer
    x = 1,351,016.84

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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.