Home / 2,617,276.50-3,925,915.66-820,299.40

Finding the Fourth Proportional to 2,617,276.50, 3,925,915.66 and 820,299.40

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Solution

The fourth proportional to 2,617,276.50, 3,925,915.66 and 820,299.40 is: 1,230,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,276.50 : 3,925,915.66 = 820,299.40 : x
  2. Step 2: Convert to fraction form
    2,617,276.50/3,925,915.66 = 820,299.40/x
  3. Step 3: Cross multiply
    2,617,276.50x = 3,925,915.66 × 820,299.40
  4. Step 4: Simplify right side
    2,617,276.50x = 3,220,426,260,348.60
  5. Step 5: Solve for x
    x = 3,220,426,260,348.60/2,617,276.50
  6. Step 6: Final answer
    x = 1,230,449.39

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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.