Home / 2,511,605.40-3,767,408.10-828,490.20

Finding the Fourth Proportional to 2,511,605.40, 3,767,408.10 and 828,490.20

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Solution

The fourth proportional to 2,511,605.40, 3,767,408.10 and 828,490.20 is: 1,242,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511,605.40 : 3,767,408.10 = 828,490.20 : x
  2. Step 2: Convert to fraction form
    2,511,605.40/3,767,408.10 = 828,490.20/x
  3. Step 3: Cross multiply
    2,511,605.40x = 3,767,408.10 × 828,490.20
  4. Step 4: Simplify right side
    2,511,605.40x = 3,121,260,690,250.62
  5. Step 5: Solve for x
    x = 3,121,260,690,250.62/2,511,605.40
  6. Step 6: Final answer
    x = 1,242,735.30

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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.