Home / 4,990,106.30-7,481,941.25-1,957,778.64

Finding the Fourth Proportional to 4,990,106.30, 7,481,941.25 and 1,957,778.64

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Solution

The fourth proportional to 4,990,106.30, 7,481,941.25 and 1,957,778.64 is: 2,935,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,106.30 : 7,481,941.25 = 1,957,778.64 : x
  2. Step 2: Convert to fraction form
    4,990,106.30/7,481,941.25 = 1,957,778.64/x
  3. Step 3: Cross multiply
    4,990,106.30x = 7,481,941.25 × 1,957,778.64
  4. Step 4: Simplify right side
    4,990,106.30x = 14,647,984,755,196.01
  5. Step 5: Solve for x
    x = 14,647,984,755,196.01/4,990,106.30
  6. Step 6: Final answer
    x = 2,935,405.36

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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.