Home / 2,089,123.60-3,134,722.20-1,191,254.80

Finding the Fourth Proportional to 2,089,123.60, 3,134,722.20 and 1,191,254.80

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Solution

The fourth proportional to 2,089,123.60, 3,134,722.20 and 1,191,254.80 is: 1,787,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,123.60 : 3,134,722.20 = 1,191,254.80 : x
  2. Step 2: Convert to fraction form
    2,089,123.60/3,134,722.20 = 1,191,254.80/x
  3. Step 3: Cross multiply
    2,089,123.60x = 3,134,722.20 × 1,191,254.80
  4. Step 4: Simplify right side
    2,089,123.60x = 3,734,252,867,416.56
  5. Step 5: Solve for x
    x = 3,734,252,867,416.56/2,089,123.60
  6. Step 6: Final answer
    x = 1,787,473.40

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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.