Home / 3,089,131.80-4,635,009.90-1,490,872.20

Finding the Fourth Proportional to 3,089,131.80, 4,635,009.90 and 1,490,872.20

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Solution

The fourth proportional to 3,089,131.80, 4,635,009.90 and 1,490,872.20 is: 2,236,941.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089,131.80 : 4,635,009.90 = 1,490,872.20 : x
  2. Step 2: Convert to fraction form
    3,089,131.80/4,635,009.90 = 1,490,872.20/x
  3. Step 3: Cross multiply
    3,089,131.80x = 4,635,009.90 × 1,490,872.20
  4. Step 4: Simplify right side
    3,089,131.80x = 6,910,207,406,634.78
  5. Step 5: Solve for x
    x = 6,910,207,406,634.78/3,089,131.80
  6. Step 6: Final answer
    x = 2,236,941.59

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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.