Home / 2,891,856.92-4,311,931.44-2,812,405.46

Finding the Fourth Proportional to 2,891,856.92, 4,311,931.44 and 2,812,405.46

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Solution

The fourth proportional to 2,891,856.92, 4,311,931.44 and 2,812,405.46 is: 4,193,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,856.92 : 4,311,931.44 = 2,812,405.46 : x
  2. Step 2: Convert to fraction form
    2,891,856.92/4,311,931.44 = 2,812,405.46/x
  3. Step 3: Cross multiply
    2,891,856.92x = 4,311,931.44 × 2,812,405.46
  4. Step 4: Simplify right side
    2,891,856.92x = 12,126,899,489,379.98
  5. Step 5: Solve for x
    x = 12,126,899,489,379.98/2,891,856.92
  6. Step 6: Final answer
    x = 4,193,464.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.