Home / 2,089,149.20-3,133,709.88-1,008,400.28

Finding the Fourth Proportional to 2,089,149.20, 3,133,709.88 and 1,008,400.28

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Solution

The fourth proportional to 2,089,149.20, 3,133,709.88 and 1,008,400.28 is: 1,512,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,149.20 : 3,133,709.88 = 1,008,400.28 : x
  2. Step 2: Convert to fraction form
    2,089,149.20/3,133,709.88 = 1,008,400.28/x
  3. Step 3: Cross multiply
    2,089,149.20x = 3,133,709.88 × 1,008,400.28
  4. Step 4: Simplify right side
    2,089,149.20x = 3,160,033,920,430.77
  5. Step 5: Solve for x
    x = 3,160,033,920,430.77/2,089,149.20
  6. Step 6: Final answer
    x = 1,512,593.70

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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.