Home / 5,237,723.43-7,856,917.34-1,643,632.25

Finding the Fourth Proportional to 5,237,723.43, 7,856,917.34 and 1,643,632.25

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Solution

The fourth proportional to 5,237,723.43, 7,856,917.34 and 1,643,632.25 is: 2,465,552.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237,723.43 : 7,856,917.34 = 1,643,632.25 : x
  2. Step 2: Convert to fraction form
    5,237,723.43/7,856,917.34 = 1,643,632.25/x
  3. Step 3: Cross multiply
    5,237,723.43x = 7,856,917.34 × 1,643,632.25
  4. Step 4: Simplify right side
    5,237,723.43x = 12,913,882,678,105.47
  5. Step 5: Solve for x
    x = 12,913,882,678,105.47/5,237,723.43
  6. Step 6: Final answer
    x = 2,465,552.61

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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.