Home / 2,868,113.61-3,957,842.45-1,644,359.54

Finding the Fourth Proportional to 2,868,113.61, 3,957,842.45 and 1,644,359.54

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Solution

The fourth proportional to 2,868,113.61, 3,957,842.45 and 1,644,359.54 is: 2,269,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,113.61 : 3,957,842.45 = 1,644,359.54 : x
  2. Step 2: Convert to fraction form
    2,868,113.61/3,957,842.45 = 1,644,359.54/x
  3. Step 3: Cross multiply
    2,868,113.61x = 3,957,842.45 × 1,644,359.54
  4. Step 4: Simplify right side
    2,868,113.61x = 6,508,115,974,796.16
  5. Step 5: Solve for x
    x = 6,508,115,974,796.16/2,868,113.61
  6. Step 6: Final answer
    x = 2,269,127.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.