Home / 3,178,910.70-4,764,679.65-1,284,408.30

Finding the Fourth Proportional to 3,178,910.70, 4,764,679.65 and 1,284,408.30

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Solution

The fourth proportional to 3,178,910.70, 4,764,679.65 and 1,284,408.30 is: 1,925,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,910.70 : 4,764,679.65 = 1,284,408.30 : x
  2. Step 2: Convert to fraction form
    3,178,910.70/4,764,679.65 = 1,284,408.30/x
  3. Step 3: Cross multiply
    3,178,910.70x = 4,764,679.65 × 1,284,408.30
  4. Step 4: Simplify right side
    3,178,910.70x = 6,119,794,089,301.10
  5. Step 5: Solve for x
    x = 6,119,794,089,301.10/3,178,910.70
  6. Step 6: Final answer
    x = 1,925,123.00

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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.