Home / 2,652,464.22-3,979,472.70-855,311.55

Finding the Fourth Proportional to 2,652,464.22, 3,979,472.70 and 855,311.55

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Solution

The fourth proportional to 2,652,464.22, 3,979,472.70 and 855,311.55 is: 1,283,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,464.22 : 3,979,472.70 = 855,311.55 : x
  2. Step 2: Convert to fraction form
    2,652,464.22/3,979,472.70 = 855,311.55/x
  3. Step 3: Cross multiply
    2,652,464.22x = 3,979,472.70 × 855,311.55
  4. Step 4: Simplify right side
    2,652,464.22x = 3,403,688,963,219.69
  5. Step 5: Solve for x
    x = 3,403,688,963,219.69/2,652,464.22
  6. Step 6: Final answer
    x = 1,283,217.67

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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.