Home / 5,471,429.70-8,207,144.55-1,686,072.90

Finding the Fourth Proportional to 5,471,429.70, 8,207,144.55 and 1,686,072.90

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Solution

The fourth proportional to 5,471,429.70, 8,207,144.55 and 1,686,072.90 is: 2,529,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471,429.70 : 8,207,144.55 = 1,686,072.90 : x
  2. Step 2: Convert to fraction form
    5,471,429.70/8,207,144.55 = 1,686,072.90/x
  3. Step 3: Cross multiply
    5,471,429.70x = 8,207,144.55 × 1,686,072.90
  4. Step 4: Simplify right side
    5,471,429.70x = 13,837,844,012,137.69
  5. Step 5: Solve for x
    x = 13,837,844,012,137.69/5,471,429.70
  6. Step 6: Final answer
    x = 2,529,109.35

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Similar ratio
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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.