Home / 2,517,856.32-3,777,900.81-1,319,493.72

Finding the Fourth Proportional to 2,517,856.32, 3,777,900.81 and 1,319,493.72

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Solution

The fourth proportional to 2,517,856.32, 3,777,900.81 and 1,319,493.72 is: 1,979,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517,856.32 : 3,777,900.81 = 1,319,493.72 : x
  2. Step 2: Convert to fraction form
    2,517,856.32/3,777,900.81 = 1,319,493.72/x
  3. Step 3: Cross multiply
    2,517,856.32x = 3,777,900.81 × 1,319,493.72
  4. Step 4: Simplify right side
    2,517,856.32x = 4,984,916,393,577.91
  5. Step 5: Solve for x
    x = 4,984,916,393,577.91/2,517,856.32
  6. Step 6: Final answer
    x = 1,979,825.60

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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.