Home / 4,289,218.32-6,431,937.84-2,015,389.44

Finding the Fourth Proportional to 4,289,218.32, 6,431,937.84 and 2,015,389.44

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Solution

The fourth proportional to 4,289,218.32, 6,431,937.84 and 2,015,389.44 is: 3,022,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289,218.32 : 6,431,937.84 = 2,015,389.44 : x
  2. Step 2: Convert to fraction form
    4,289,218.32/6,431,937.84 = 2,015,389.44/x
  3. Step 3: Cross multiply
    4,289,218.32x = 6,431,937.84 × 2,015,389.44
  4. Step 4: Simplify right side
    4,289,218.32x = 12,962,859,601,472.41
  5. Step 5: Solve for x
    x = 12,962,859,601,472.41/4,289,218.32
  6. Step 6: Final answer
    x = 3,022,196.27

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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.