Home / 5,405,764.60-8,106,255.78-1,618,541.56

Finding the Fourth Proportional to 5,405,764.60, 8,106,255.78 and 1,618,541.56

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Solution

The fourth proportional to 5,405,764.60, 8,106,255.78 and 1,618,541.56 is: 2,427,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405,764.60 : 8,106,255.78 = 1,618,541.56 : x
  2. Step 2: Convert to fraction form
    5,405,764.60/8,106,255.78 = 1,618,541.56/x
  3. Step 3: Cross multiply
    5,405,764.60x = 8,106,255.78 × 1,618,541.56
  4. Step 4: Simplify right side
    5,405,764.60x = 13,120,311,875,920.22
  5. Step 5: Solve for x
    x = 13,120,311,875,920.22/5,405,764.60
  6. Step 6: Final answer
    x = 2,427,096.41

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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.