Home / 6,789,578.86-9,369,865.20-3,889,530.22

Finding the Fourth Proportional to 6,789,578.86, 9,369,865.20 and 3,889,530.22

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Solution

The fourth proportional to 6,789,578.86, 9,369,865.20 and 3,889,530.22 is: 5,367,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,578.86 : 9,369,865.20 = 3,889,530.22 : x
  2. Step 2: Convert to fraction form
    6,789,578.86/9,369,865.20 = 3,889,530.22/x
  3. Step 3: Cross multiply
    6,789,578.86x = 9,369,865.20 × 3,889,530.22
  4. Step 4: Simplify right side
    6,789,578.86x = 36,444,373,852,726.34
  5. Step 5: Solve for x
    x = 36,444,373,852,726.34/6,789,578.86
  6. Step 6: Final answer
    x = 5,367,692.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.