Home / 5,186,776.82-7,781,321.91-1,592,906.45

Finding the Fourth Proportional to 5,186,776.82, 7,781,321.91 and 1,592,906.45

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Solution

The fourth proportional to 5,186,776.82, 7,781,321.91 and 1,592,906.45 is: 2,389,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,776.82 : 7,781,321.91 = 1,592,906.45 : x
  2. Step 2: Convert to fraction form
    5,186,776.82/7,781,321.91 = 1,592,906.45/x
  3. Step 3: Cross multiply
    5,186,776.82x = 7,781,321.91 × 1,592,906.45
  4. Step 4: Simplify right side
    5,186,776.82x = 12,394,917,859,965.32
  5. Step 5: Solve for x
    x = 12,394,917,859,965.32/5,186,776.82
  6. Step 6: Final answer
    x = 2,389,714.90

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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.