Home / 3,121,491.16-4,682,611.80-1,099,317.28

Finding the Fourth Proportional to 3,121,491.16, 4,682,611.80 and 1,099,317.28

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Solution

The fourth proportional to 3,121,491.16, 4,682,611.80 and 1,099,317.28 is: 1,649,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,491.16 : 4,682,611.80 = 1,099,317.28 : x
  2. Step 2: Convert to fraction form
    3,121,491.16/4,682,611.80 = 1,099,317.28/x
  3. Step 3: Cross multiply
    3,121,491.16x = 4,682,611.80 × 1,099,317.28
  4. Step 4: Simplify right side
    3,121,491.16x = 5,147,676,067,271.90
  5. Step 5: Solve for x
    x = 5,147,676,067,271.90/3,121,491.16
  6. Step 6: Final answer
    x = 1,649,108.01

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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.