Home / 5,389,890.06-8,078,106.48-2,694,985.86

Finding the Fourth Proportional to 5,389,890.06, 8,078,106.48 and 2,694,985.86

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Solution

The fourth proportional to 5,389,890.06, 8,078,106.48 and 2,694,985.86 is: 4,039,114.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,890.06 : 8,078,106.48 = 2,694,985.86 : x
  2. Step 2: Convert to fraction form
    5,389,890.06/8,078,106.48 = 2,694,985.86/x
  3. Step 3: Cross multiply
    5,389,890.06x = 8,078,106.48 × 2,694,985.86
  4. Step 4: Simplify right side
    5,389,890.06x = 21,770,382,739,174.37
  5. Step 5: Solve for x
    x = 21,770,382,739,174.37/5,389,890.06
  6. Step 6: Final answer
    x = 4,039,114.43

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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.