Home / 5,250,795.40-7,876,193.10-3,119,782.60

Finding the Fourth Proportional to 5,250,795.40, 7,876,193.10 and 3,119,782.60

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Solution

The fourth proportional to 5,250,795.40, 7,876,193.10 and 3,119,782.60 is: 4,679,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250,795.40 : 7,876,193.10 = 3,119,782.60 : x
  2. Step 2: Convert to fraction form
    5,250,795.40/7,876,193.10 = 3,119,782.60/x
  3. Step 3: Cross multiply
    5,250,795.40x = 7,876,193.10 × 3,119,782.60
  4. Step 4: Simplify right side
    5,250,795.40x = 24,572,010,187,620.06
  5. Step 5: Solve for x
    x = 24,572,010,187,620.06/5,250,795.40
  6. Step 6: Final answer
    x = 4,679,673.90

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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.