Home / 5,120,874.47-7,682,455.63-1,926,028.33

Finding the Fourth Proportional to 5,120,874.47, 7,682,455.63 and 1,926,028.33

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Solution

The fourth proportional to 5,120,874.47, 7,682,455.63 and 1,926,028.33 is: 2,889,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,874.47 : 7,682,455.63 = 1,926,028.33 : x
  2. Step 2: Convert to fraction form
    5,120,874.47/7,682,455.63 = 1,926,028.33/x
  3. Step 3: Cross multiply
    5,120,874.47x = 7,682,455.63 × 1,926,028.33
  4. Step 4: Simplify right side
    5,120,874.47x = 14,796,627,170,549.39
  5. Step 5: Solve for x
    x = 14,796,627,170,549.39/5,120,874.47
  6. Step 6: Final answer
    x = 2,889,472.74

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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.