Home / 3,928,582.56-5,421,499.92-2,318,950.56

Finding the Fourth Proportional to 3,928,582.56, 5,421,499.92 and 2,318,950.56

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Solution

The fourth proportional to 3,928,582.56, 5,421,499.92 and 2,318,950.56 is: 3,200,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,582.56 : 5,421,499.92 = 2,318,950.56 : x
  2. Step 2: Convert to fraction form
    3,928,582.56/5,421,499.92 = 2,318,950.56/x
  3. Step 3: Cross multiply
    3,928,582.56x = 5,421,499.92 × 2,318,950.56
  4. Step 4: Simplify right side
    3,928,582.56x = 12,572,190,275,523.96
  5. Step 5: Solve for x
    x = 12,572,190,275,523.96/3,928,582.56
  6. Step 6: Final answer
    x = 3,200,184.82

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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.