Home / 4,215,287.50-6,322,947.72-1,020,408.46

Finding the Fourth Proportional to 4,215,287.50, 6,322,947.72 and 1,020,408.46

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Solution

The fourth proportional to 4,215,287.50, 6,322,947.72 and 1,020,408.46 is: 1,530,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215,287.50 : 6,322,947.72 = 1,020,408.46 : x
  2. Step 2: Convert to fraction form
    4,215,287.50/6,322,947.72 = 1,020,408.46/x
  3. Step 3: Cross multiply
    4,215,287.50x = 6,322,947.72 × 1,020,408.46
  4. Step 4: Simplify right side
    4,215,287.50x = 6,451,989,345,625.71
  5. Step 5: Solve for x
    x = 6,451,989,345,625.71/4,215,287.50
  6. Step 6: Final answer
    x = 1,530,616.68

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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.