Home / 5,419,803.66-7,479,329.05-3,005,355.66

Finding the Fourth Proportional to 5,419,803.66, 7,479,329.05 and 3,005,355.66

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Solution

The fourth proportional to 5,419,803.66, 7,479,329.05 and 3,005,355.66 is: 4,147,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,803.66 : 7,479,329.05 = 3,005,355.66 : x
  2. Step 2: Convert to fraction form
    5,419,803.66/7,479,329.05 = 3,005,355.66/x
  3. Step 3: Cross multiply
    5,419,803.66x = 7,479,329.05 × 3,005,355.66
  4. Step 4: Simplify right side
    5,419,803.66x = 22,478,043,852,223.41
  5. Step 5: Solve for x
    x = 22,478,043,852,223.41/5,419,803.66
  6. Step 6: Final answer
    x = 4,147,390.81

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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.