Home / 2,856,920.39-3,942,663.80-1,567,806.91

Finding the Fourth Proportional to 2,856,920.39, 3,942,663.80 and 1,567,806.91

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Solution

The fourth proportional to 2,856,920.39, 3,942,663.80 and 1,567,806.91 is: 2,163,635.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,920.39 : 3,942,663.80 = 1,567,806.91 : x
  2. Step 2: Convert to fraction form
    2,856,920.39/3,942,663.80 = 1,567,806.91/x
  3. Step 3: Cross multiply
    2,856,920.39x = 3,942,663.80 × 1,567,806.91
  4. Step 4: Simplify right side
    2,856,920.39x = 6,181,335,549,446.86
  5. Step 5: Solve for x
    x = 6,181,335,549,446.86/2,856,920.39
  6. Step 6: Final answer
    x = 2,163,635.91

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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.