Home / 5,455,369.87-8,183,687.92-1,812,424.86

Finding the Fourth Proportional to 5,455,369.87, 8,183,687.92 and 1,812,424.86

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Solution

The fourth proportional to 5,455,369.87, 8,183,687.92 and 1,812,424.86 is: 2,718,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455,369.87 : 8,183,687.92 = 1,812,424.86 : x
  2. Step 2: Convert to fraction form
    5,455,369.87/8,183,687.92 = 1,812,424.86/x
  3. Step 3: Cross multiply
    5,455,369.87x = 8,183,687.92 × 1,812,424.86
  4. Step 4: Simplify right side
    5,455,369.87x = 14,832,319,428,158.63
  5. Step 5: Solve for x
    x = 14,832,319,428,158.63/5,455,369.87
  6. Step 6: Final answer
    x = 2,718,847.63

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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.