Home / 5,429,048.46-8,143,568.05-1,385,535.96

Finding the Fourth Proportional to 5,429,048.46, 8,143,568.05 and 1,385,535.96

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Solution

The fourth proportional to 5,429,048.46, 8,143,568.05 and 1,385,535.96 is: 2,078,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,048.46 : 8,143,568.05 = 1,385,535.96 : x
  2. Step 2: Convert to fraction form
    5,429,048.46/8,143,568.05 = 1,385,535.96/x
  3. Step 3: Cross multiply
    5,429,048.46x = 8,143,568.05 × 1,385,535.96
  4. Step 4: Simplify right side
    5,429,048.46x = 11,283,206,375,982.08
  5. Step 5: Solve for x
    x = 11,283,206,375,982.08/5,429,048.46
  6. Step 6: Final answer
    x = 2,078,302.76

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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.