Home / 5,413,833.45-8,120,756.33-1,627,316.33

Finding the Fourth Proportional to 5,413,833.45, 8,120,756.33 and 1,627,316.33

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Solution

The fourth proportional to 5,413,833.45, 8,120,756.33 and 1,627,316.33 is: 2,440,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413,833.45 : 8,120,756.33 = 1,627,316.33 : x
  2. Step 2: Convert to fraction form
    5,413,833.45/8,120,756.33 = 1,627,316.33/x
  3. Step 3: Cross multiply
    5,413,833.45x = 8,120,756.33 × 1,627,316.33
  4. Step 4: Simplify right side
    5,413,833.45x = 13,215,039,340,545.12
  5. Step 5: Solve for x
    x = 13,215,039,340,545.12/5,413,833.45
  6. Step 6: Final answer
    x = 2,440,976.34

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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.