Home / 4,215,288-6,322,948.47-1,020,408.96

Finding the Fourth Proportional to 4,215,288, 6,322,948.47 and 1,020,408.96

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Solution

The fourth proportional to 4,215,288, 6,322,948.47 and 1,020,408.96 is: 1,530,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215,288 : 6,322,948.47 = 1,020,408.96 : x
  2. Step 2: Convert to fraction form
    4,215,288/6,322,948.47 = 1,020,408.96/x
  3. Step 3: Cross multiply
    4,215,288x = 6,322,948.47 × 1,020,408.96
  4. Step 4: Simplify right side
    4,215,288x = 6,451,993,272,406.29
  5. Step 5: Solve for x
    x = 6,451,993,272,406.29/4,215,288
  6. Step 6: Final answer
    x = 1,530,617.43

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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.