Home / 3,120,977.80-4,684,965.90-2,414,139.40

Finding the Fourth Proportional to 3,120,977.80, 4,684,965.90 and 2,414,139.40

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Solution

The fourth proportional to 3,120,977.80, 4,684,965.90 and 2,414,139.40 is: 3,623,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,977.80 : 4,684,965.90 = 2,414,139.40 : x
  2. Step 2: Convert to fraction form
    3,120,977.80/4,684,965.90 = 2,414,139.40/x
  3. Step 3: Cross multiply
    3,120,977.80x = 4,684,965.90 × 2,414,139.40
  4. Step 4: Simplify right side
    3,120,977.80x = 11,310,160,766,846.46
  5. Step 5: Solve for x
    x = 11,310,160,766,846.46/3,120,977.80
  6. Step 6: Final answer
    x = 3,623,915.80

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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.