Home / 2,687,350.29-4,031,000.34-1,089,533.55

Finding the Fourth Proportional to 2,687,350.29, 4,031,000.34 and 1,089,533.55

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Solution

The fourth proportional to 2,687,350.29, 4,031,000.34 and 1,089,533.55 is: 1,634,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,350.29 : 4,031,000.34 = 1,089,533.55 : x
  2. Step 2: Convert to fraction form
    2,687,350.29/4,031,000.34 = 1,089,533.55/x
  3. Step 3: Cross multiply
    2,687,350.29x = 4,031,000.34 × 1,089,533.55
  4. Step 4: Simplify right side
    2,687,350.29x = 4,391,910,110,491.41
  5. Step 5: Solve for x
    x = 4,391,910,110,491.41/2,687,350.29
  6. Step 6: Final answer
    x = 1,634,290.15

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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.