Home / 5,250,982.80-7,876,474.20-1,261,894.80

Finding the Fourth Proportional to 5,250,982.80, 7,876,474.20 and 1,261,894.80

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Solution

The fourth proportional to 5,250,982.80, 7,876,474.20 and 1,261,894.80 is: 1,892,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250,982.80 : 7,876,474.20 = 1,261,894.80 : x
  2. Step 2: Convert to fraction form
    5,250,982.80/7,876,474.20 = 1,261,894.80/x
  3. Step 3: Cross multiply
    5,250,982.80x = 7,876,474.20 × 1,261,894.80
  4. Step 4: Simplify right side
    5,250,982.80x = 9,939,281,835,314.16
  5. Step 5: Solve for x
    x = 9,939,281,835,314.16/5,250,982.80
  6. Step 6: Final answer
    x = 1,892,842.20

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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.