Home / 3,679,915.41-5,078,170.22-2,048,280.80

Finding the Fourth Proportional to 3,679,915.41, 5,078,170.22 and 2,048,280.80

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Solution

The fourth proportional to 3,679,915.41, 5,078,170.22 and 2,048,280.80 is: 2,826,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679,915.41 : 5,078,170.22 = 2,048,280.80 : x
  2. Step 2: Convert to fraction form
    3,679,915.41/5,078,170.22 = 2,048,280.80/x
  3. Step 3: Cross multiply
    3,679,915.41x = 5,078,170.22 × 2,048,280.80
  4. Step 4: Simplify right side
    3,679,915.41x = 10,401,518,525,125.52
  5. Step 5: Solve for x
    x = 10,401,518,525,125.52/3,679,915.41
  6. Step 6: Final answer
    x = 2,826,564.57

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1.5x scale

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.