Home / 2,867,890.75-3,956,797.74-1,627,295.86

Finding the Fourth Proportional to 2,867,890.75, 3,956,797.74 and 1,627,295.86

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Solution

The fourth proportional to 2,867,890.75, 3,956,797.74 and 1,627,295.86 is: 2,245,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,890.75 : 3,956,797.74 = 1,627,295.86 : x
  2. Step 2: Convert to fraction form
    2,867,890.75/3,956,797.74 = 1,627,295.86/x
  3. Step 3: Cross multiply
    2,867,890.75x = 3,956,797.74 × 1,627,295.86
  4. Step 4: Simplify right side
    2,867,890.75x = 6,438,880,592,207.71
  5. Step 5: Solve for x
    x = 6,438,880,592,207.71/2,867,890.75
  6. Step 6: Final answer
    x = 2,245,162.44

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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.