Home / 3,089,680.80-4,635,833.40-1,491,421.20

Finding the Fourth Proportional to 3,089,680.80, 4,635,833.40 and 1,491,421.20

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Solution

The fourth proportional to 3,089,680.80, 4,635,833.40 and 1,491,421.20 is: 2,237,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089,680.80 : 4,635,833.40 = 1,491,421.20 : x
  2. Step 2: Convert to fraction form
    3,089,680.80/4,635,833.40 = 1,491,421.20/x
  3. Step 3: Cross multiply
    3,089,680.80x = 4,635,833.40 × 1,491,421.20
  4. Step 4: Simplify right side
    3,089,680.80x = 6,913,980,212,428.08
  5. Step 5: Solve for x
    x = 6,913,980,212,428.08/3,089,680.80
  6. Step 6: Final answer
    x = 2,237,765.21

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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.