Home / 5,578,889.10-8,365,081.90-2,163,185.12

Finding the Fourth Proportional to 5,578,889.10, 8,365,081.90 and 2,163,185.12

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Solution

The fourth proportional to 5,578,889.10, 8,365,081.90 and 2,163,185.12 is: 3,243,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578,889.10 : 8,365,081.90 = 2,163,185.12 : x
  2. Step 2: Convert to fraction form
    5,578,889.10/8,365,081.90 = 2,163,185.12/x
  3. Step 3: Cross multiply
    5,578,889.10x = 8,365,081.90 × 2,163,185.12
  4. Step 4: Simplify right side
    5,578,889.10x = 18,095,220,693,661.33
  5. Step 5: Solve for x
    x = 18,095,220,693,661.33/5,578,889.10
  6. Step 6: Final answer
    x = 3,243,516.83

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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.