Home / 5,234,878.81-7,856,517.30-2,711,255.77

Finding the Fourth Proportional to 5,234,878.81, 7,856,517.30 and 2,711,255.77

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Solution

The fourth proportional to 5,234,878.81, 7,856,517.30 and 2,711,255.77 is: 4,069,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234,878.81 : 7,856,517.30 = 2,711,255.77 : x
  2. Step 2: Convert to fraction form
    5,234,878.81/7,856,517.30 = 2,711,255.77/x
  3. Step 3: Cross multiply
    5,234,878.81x = 7,856,517.30 × 2,711,255.77
  4. Step 4: Simplify right side
    5,234,878.81x = 21,301,027,861,729.82
  5. Step 5: Solve for x
    x = 21,301,027,861,729.82/5,234,878.81
  6. Step 6: Final answer
    x = 4,069,058.45

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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.