Home / 2,089,116.60-3,134,711.70-1,191,247.80

Finding the Fourth Proportional to 2,089,116.60, 3,134,711.70 and 1,191,247.80

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Solution

The fourth proportional to 2,089,116.60, 3,134,711.70 and 1,191,247.80 is: 1,787,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,116.60 : 3,134,711.70 = 1,191,247.80 : x
  2. Step 2: Convert to fraction form
    2,089,116.60/3,134,711.70 = 1,191,247.80/x
  3. Step 3: Cross multiply
    2,089,116.60x = 3,134,711.70 × 1,191,247.80
  4. Step 4: Simplify right side
    2,089,116.60x = 3,734,218,416,259.26
  5. Step 5: Solve for x
    x = 3,734,218,416,259.26/2,089,116.60
  6. Step 6: Final answer
    x = 1,787,462.90

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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.