Home / 4,089,742.60-6,134,613.90-1,211,213.20

Finding the Fourth Proportional to 4,089,742.60, 6,134,613.90 and 1,211,213.20

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Solution

The fourth proportional to 4,089,742.60, 6,134,613.90 and 1,211,213.20 is: 1,816,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089,742.60 : 6,134,613.90 = 1,211,213.20 : x
  2. Step 2: Convert to fraction form
    4,089,742.60/6,134,613.90 = 1,211,213.20/x
  3. Step 3: Cross multiply
    4,089,742.60x = 6,134,613.90 × 1,211,213.20
  4. Step 4: Simplify right side
    4,089,742.60x = 7,430,325,332,583.48
  5. Step 5: Solve for x
    x = 7,430,325,332,583.48/4,089,742.60
  6. Step 6: Final answer
    x = 1,816,819.80

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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.