Home / 2,684,858.60-4,029,491.10-2,663,863.40

Finding the Fourth Proportional to 2,684,858.60, 4,029,491.10 and 2,663,863.40

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Solution

The fourth proportional to 2,684,858.60, 4,029,491.10 and 2,663,863.40 is: 3,997,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684,858.60 : 4,029,491.10 = 2,663,863.40 : x
  2. Step 2: Convert to fraction form
    2,684,858.60/4,029,491.10 = 2,663,863.40/x
  3. Step 3: Cross multiply
    2,684,858.60x = 4,029,491.10 × 2,663,863.40
  4. Step 4: Simplify right side
    2,684,858.60x = 10,734,013,861,915.74
  5. Step 5: Solve for x
    x = 10,734,013,861,915.74/2,684,858.60
  6. Step 6: Final answer
    x = 3,997,981.07

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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.