Home / 5,710,087.20-7,880,141.16-3,131,876.64

Finding the Fourth Proportional to 5,710,087.20, 7,880,141.16 and 3,131,876.64

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Solution

The fourth proportional to 5,710,087.20, 7,880,141.16 and 3,131,876.64 is: 4,322,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710,087.20 : 7,880,141.16 = 3,131,876.64 : x
  2. Step 2: Convert to fraction form
    5,710,087.20/7,880,141.16 = 3,131,876.64/x
  3. Step 3: Cross multiply
    5,710,087.20x = 7,880,141.16 × 3,131,876.64
  4. Step 4: Simplify right side
    5,710,087.20x = 24,679,630,018,906.50
  5. Step 5: Solve for x
    x = 24,679,630,018,906.50/5,710,087.20
  6. Step 6: Final answer
    x = 4,322,110.88

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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.