Home / 2,856,919.89-3,942,663.11-1,567,806.40

Finding the Fourth Proportional to 2,856,919.89, 3,942,663.11 and 1,567,806.40

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Solution

The fourth proportional to 2,856,919.89, 3,942,663.11 and 1,567,806.40 is: 2,163,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,919.89 : 3,942,663.11 = 1,567,806.40 : x
  2. Step 2: Convert to fraction form
    2,856,919.89/3,942,663.11 = 1,567,806.40/x
  3. Step 3: Cross multiply
    2,856,919.89x = 3,942,663.11 × 1,567,806.40
  4. Step 4: Simplify right side
    2,856,919.89x = 6,181,332,456,901.90
  5. Step 5: Solve for x
    x = 6,181,332,456,901.90/2,856,919.89
  6. Step 6: Final answer
    x = 2,163,635.21

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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.