Home / 4,990,888.90-7,486,331.46-1,959,680.98

Finding the Fourth Proportional to 4,990,888.90, 7,486,331.46 and 1,959,680.98

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Solution

The fourth proportional to 4,990,888.90, 7,486,331.46 and 1,959,680.98 is: 2,939,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,888.90 : 7,486,331.46 = 1,959,680.98 : x
  2. Step 2: Convert to fraction form
    4,990,888.90/7,486,331.46 = 1,959,680.98/x
  3. Step 3: Cross multiply
    4,990,888.90x = 7,486,331.46 × 1,959,680.98
  4. Step 4: Simplify right side
    4,990,888.90x = 14,670,821,372,137.63
  5. Step 5: Solve for x
    x = 14,670,821,372,137.63/4,990,888.90
  6. Step 6: Final answer
    x = 2,939,520.73

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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.