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Finding the Fourth Proportional to 5,855,496.32, 8,781,664.32 and 2,068,480.64

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Solution

The fourth proportional to 5,855,496.32, 8,781,664.32 and 2,068,480.64 is: 3,102,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855,496.32 : 8,781,664.32 = 2,068,480.64 : x
  2. Step 2: Convert to fraction form
    5,855,496.32/8,781,664.32 = 2,068,480.64/x
  3. Step 3: Cross multiply
    5,855,496.32x = 8,781,664.32 × 2,068,480.64
  4. Step 4: Simplify right side
    5,855,496.32x = 18,164,702,632,898.77
  5. Step 5: Solve for x
    x = 18,164,702,632,898.77/5,855,496.32
  6. Step 6: Final answer
    x = 3,102,162.76

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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.