Home / 5,121,891.86-7,068,125.39-2,798,733.34

Finding the Fourth Proportional to 5,121,891.86, 7,068,125.39 and 2,798,733.34

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Solution

The fourth proportional to 5,121,891.86, 7,068,125.39 and 2,798,733.34 is: 3,862,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,891.86 : 7,068,125.39 = 2,798,733.34 : x
  2. Step 2: Convert to fraction form
    5,121,891.86/7,068,125.39 = 2,798,733.34/x
  3. Step 3: Cross multiply
    5,121,891.86x = 7,068,125.39 × 2,798,733.34
  4. Step 4: Simplify right side
    5,121,891.86x = 19,781,798,180,293.50
  5. Step 5: Solve for x
    x = 19,781,798,180,293.50/5,121,891.86
  6. Step 6: Final answer
    x = 3,862,205.36

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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.