Home / 5,789,475.63-7,990,433.01-3,211,986.78

Finding the Fourth Proportional to 5,789,475.63, 7,990,433.01 and 3,211,986.78

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Solution

The fourth proportional to 5,789,475.63, 7,990,433.01 and 3,211,986.78 is: 4,433,072.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789,475.63 : 7,990,433.01 = 3,211,986.78 : x
  2. Step 2: Convert to fraction form
    5,789,475.63/7,990,433.01 = 3,211,986.78/x
  3. Step 3: Cross multiply
    5,789,475.63x = 7,990,433.01 × 3,211,986.78
  4. Step 4: Simplify right side
    5,789,475.63x = 25,665,165,194,595.61
  5. Step 5: Solve for x
    x = 25,665,165,194,595.61/5,789,475.63
  6. Step 6: Final answer
    x = 4,433,072.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.