Home / 5,118,520.34-7,060,313.94-3,892,137.28

Finding the Fourth Proportional to 5,118,520.34, 7,060,313.94 and 3,892,137.28

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Solution

The fourth proportional to 5,118,520.34, 7,060,313.94 and 3,892,137.28 is: 5,368,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118,520.34 : 7,060,313.94 = 3,892,137.28 : x
  2. Step 2: Convert to fraction form
    5,118,520.34/7,060,313.94 = 3,892,137.28/x
  3. Step 3: Cross multiply
    5,118,520.34x = 7,060,313.94 × 3,892,137.28
  4. Step 4: Simplify right side
    5,118,520.34x = 27,479,711,062,131.38
  5. Step 5: Solve for x
    x = 27,479,711,062,131.38/5,118,520.34
  6. Step 6: Final answer
    x = 5,368,682.59

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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.