Home / 5,178,382.80-7,761,742.20-2,483,998.80

Finding the Fourth Proportional to 5,178,382.80, 7,761,742.20 and 2,483,998.80

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Solution

The fourth proportional to 5,178,382.80, 7,761,742.20 and 2,483,998.80 is: 3,723,200.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,382.80 : 7,761,742.20 = 2,483,998.80 : x
  2. Step 2: Convert to fraction form
    5,178,382.80/7,761,742.20 = 2,483,998.80/x
  3. Step 3: Cross multiply
    5,178,382.80x = 7,761,742.20 × 2,483,998.80
  4. Step 4: Simplify right side
    5,178,382.80x = 19,280,158,310,709.36
  5. Step 5: Solve for x
    x = 19,280,158,310,709.36/5,178,382.80
  6. Step 6: Final answer
    x = 3,723,200.67

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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.