Home / 2,919,753.20-4,379,629.80-1,026,248.60

Finding the Fourth Proportional to 2,919,753.20, 4,379,629.80 and 1,026,248.60

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Solution

The fourth proportional to 2,919,753.20, 4,379,629.80 and 1,026,248.60 is: 1,539,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,753.20 : 4,379,629.80 = 1,026,248.60 : x
  2. Step 2: Convert to fraction form
    2,919,753.20/4,379,629.80 = 1,026,248.60/x
  3. Step 3: Cross multiply
    2,919,753.20x = 4,379,629.80 × 1,026,248.60
  4. Step 4: Simplify right side
    2,919,753.20x = 4,494,588,950,768.28
  5. Step 5: Solve for x
    x = 4,494,588,950,768.28/2,919,753.20
  6. Step 6: Final answer
    x = 1,539,372.90

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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.