Home / 3,000,172.88-4,140,249.48-1,623,516.45

Finding the Fourth Proportional to 3,000,172.88, 4,140,249.48 and 1,623,516.45

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Solution

The fourth proportional to 3,000,172.88, 4,140,249.48 and 1,623,516.45 is: 2,240,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000,172.88 : 4,140,249.48 = 1,623,516.45 : x
  2. Step 2: Convert to fraction form
    3,000,172.88/4,140,249.48 = 1,623,516.45/x
  3. Step 3: Cross multiply
    3,000,172.88x = 4,140,249.48 × 1,623,516.45
  4. Step 4: Simplify right side
    3,000,172.88x = 6,721,763,137,883.95
  5. Step 5: Solve for x
    x = 6,721,763,137,883.95/3,000,172.88
  6. Step 6: Final answer
    x = 2,240,458.61

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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.