Home / 3,078,000.30-4,617,000.45-2,511,129.90

Finding the Fourth Proportional to 3,078,000.30, 4,617,000.45 and 2,511,129.90

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Solution

The fourth proportional to 3,078,000.30, 4,617,000.45 and 2,511,129.90 is: 3,766,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,000.30 : 4,617,000.45 = 2,511,129.90 : x
  2. Step 2: Convert to fraction form
    3,078,000.30/4,617,000.45 = 2,511,129.90/x
  3. Step 3: Cross multiply
    3,078,000.30x = 4,617,000.45 × 2,511,129.90
  4. Step 4: Simplify right side
    3,078,000.30x = 11,593,887,878,308.46
  5. Step 5: Solve for x
    x = 11,593,887,878,308.46/3,078,000.30
  6. Step 6: Final answer
    x = 3,766,694.85

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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.