Home / 2,089,052.13-3,133,578.20-1,378,914.11

Finding the Fourth Proportional to 2,089,052.13, 3,133,578.20 and 1,378,914.11

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Solution

The fourth proportional to 2,089,052.13, 3,133,578.20 and 1,378,914.11 is: 2,068,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,052.13 : 3,133,578.20 = 1,378,914.11 : x
  2. Step 2: Convert to fraction form
    2,089,052.13/3,133,578.20 = 1,378,914.11/x
  3. Step 3: Cross multiply
    2,089,052.13x = 3,133,578.20 × 1,378,914.11
  4. Step 4: Simplify right side
    2,089,052.13x = 4,320,935,172,205.94
  5. Step 5: Solve for x
    x = 4,320,935,172,205.94/2,089,052.13
  6. Step 6: Final answer
    x = 2,068,371.16

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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.