Home / 4,939,126.42-7,399,103.41-3,639,919.28

Finding the Fourth Proportional to 4,939,126.42, 7,399,103.41 and 3,639,919.28

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Solution

The fourth proportional to 4,939,126.42, 7,399,103.41 and 3,639,919.28 is: 5,452,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939,126.42 : 7,399,103.41 = 3,639,919.28 : x
  2. Step 2: Convert to fraction form
    4,939,126.42/7,399,103.41 = 3,639,919.28/x
  3. Step 3: Cross multiply
    4,939,126.42x = 7,399,103.41 × 3,639,919.28
  4. Step 4: Simplify right side
    4,939,126.42x = 26,932,139,103,852.58
  5. Step 5: Solve for x
    x = 26,932,139,103,852.58/4,939,126.42
  6. Step 6: Final answer
    x = 5,452,814.29

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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.