Home / 2,687,348.52-4,030,997.70-1,089,531.78

Finding the Fourth Proportional to 2,687,348.52, 4,030,997.70 and 1,089,531.78

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Solution

The fourth proportional to 2,687,348.52, 4,030,997.70 and 1,089,531.78 is: 1,634,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,348.52 : 4,030,997.70 = 1,089,531.78 : x
  2. Step 2: Convert to fraction form
    2,687,348.52/4,030,997.70 = 1,089,531.78/x
  3. Step 3: Cross multiply
    2,687,348.52x = 4,030,997.70 × 1,089,531.78
  4. Step 4: Simplify right side
    2,687,348.52x = 4,391,900,099,256.91
  5. Step 5: Solve for x
    x = 4,391,900,099,256.91/2,687,348.52
  6. Step 6: Final answer
    x = 1,634,287.50

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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.