Home / 2,687,353.20-4,031,004.74-1,089,536.48

Finding the Fourth Proportional to 2,687,353.20, 4,031,004.74 and 1,089,536.48

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Solution

The fourth proportional to 2,687,353.20, 4,031,004.74 and 1,089,536.48 is: 1,634,294.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,353.20 : 4,031,004.74 = 1,089,536.48 : x
  2. Step 2: Convert to fraction form
    2,687,353.20/4,031,004.74 = 1,089,536.48/x
  3. Step 3: Cross multiply
    2,687,353.20x = 4,031,004.74 × 1,089,536.48
  4. Step 4: Simplify right side
    2,687,353.20x = 4,391,926,715,282.92
  5. Step 5: Solve for x
    x = 4,391,926,715,282.92/2,687,353.20
  6. Step 6: Final answer
    x = 1,634,294.56

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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.