Home / 5,686,989.92-8,530,484.90-1,900,472.80

Finding the Fourth Proportional to 5,686,989.92, 8,530,484.90 and 1,900,472.80

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Solution

The fourth proportional to 5,686,989.92, 8,530,484.90 and 1,900,472.80 is: 2,850,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686,989.92 : 8,530,484.90 = 1,900,472.80 : x
  2. Step 2: Convert to fraction form
    5,686,989.92/8,530,484.90 = 1,900,472.80/x
  3. Step 3: Cross multiply
    5,686,989.92x = 8,530,484.90 × 1,900,472.80
  4. Step 4: Simplify right side
    5,686,989.92x = 16,211,954,523,260.72
  5. Step 5: Solve for x
    x = 16,211,954,523,260.72/5,686,989.92
  6. Step 6: Final answer
    x = 2,850,709.21

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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.