Home / 4,649,880-6,419,465.28-3,019,745.28

Finding the Fourth Proportional to 4,649,880, 6,419,465.28 and 3,019,745.28

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Solution

The fourth proportional to 4,649,880, 6,419,465.28 and 3,019,745.28 is: 4,168,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649,880 : 6,419,465.28 = 3,019,745.28 : x
  2. Step 2: Convert to fraction form
    4,649,880/6,419,465.28 = 3,019,745.28/x
  3. Step 3: Cross multiply
    4,649,880x = 6,419,465.28 × 3,019,745.28
  4. Step 4: Simplify right side
    4,649,880x = 19,385,149,979,403.88
  5. Step 5: Solve for x
    x = 19,385,149,979,403.88/4,649,880
  6. Step 6: Final answer
    x = 4,168,957.04

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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.