Home / 3,783,218.37-5,219,477.10-2,912,319.42

Finding the Fourth Proportional to 3,783,218.37, 5,219,477.10 and 2,912,319.42

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Solution

The fourth proportional to 3,783,218.37, 5,219,477.10 and 2,912,319.42 is: 4,017,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,218.37 : 5,219,477.10 = 2,912,319.42 : x
  2. Step 2: Convert to fraction form
    3,783,218.37/5,219,477.10 = 2,912,319.42/x
  3. Step 3: Cross multiply
    3,783,218.37x = 5,219,477.10 × 2,912,319.42
  4. Step 4: Simplify right side
    3,783,218.37x = 15,200,784,520,575.28
  5. Step 5: Solve for x
    x = 15,200,784,520,575.28/3,783,218.37
  6. Step 6: Final answer
    x = 4,017,950.60

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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.