Home / 2,089,436.32-3,131,198.46-890,151.16

Finding the Fourth Proportional to 2,089,436.32, 3,131,198.46 and 890,151.16

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Solution

The fourth proportional to 2,089,436.32, 3,131,198.46 and 890,151.16 is: 1,333,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,436.32 : 3,131,198.46 = 890,151.16 : x
  2. Step 2: Convert to fraction form
    2,089,436.32/3,131,198.46 = 890,151.16/x
  3. Step 3: Cross multiply
    2,089,436.32x = 3,131,198.46 × 890,151.16
  4. Step 4: Simplify right side
    2,089,436.32x = 2,787,239,941,359.21
  5. Step 5: Solve for x
    x = 2,787,239,941,359.21/2,089,436.32
  6. Step 6: Final answer
    x = 1,333,967.40

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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.