Home / 2,289,375.90-3,438,000.45-1,620,153.90

Finding the Fourth Proportional to 2,289,375.90, 3,438,000.45 and 1,620,153.90

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Solution

The fourth proportional to 2,289,375.90, 3,438,000.45 and 1,620,153.90 is: 2,433,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,375.90 : 3,438,000.45 = 1,620,153.90 : x
  2. Step 2: Convert to fraction form
    2,289,375.90/3,438,000.45 = 1,620,153.90/x
  3. Step 3: Cross multiply
    2,289,375.90x = 3,438,000.45 × 1,620,153.90
  4. Step 4: Simplify right side
    2,289,375.90x = 5,570,089,837,269.26
  5. Step 5: Solve for x
    x = 5,570,089,837,269.26/2,289,375.90
  6. Step 6: Final answer
    x = 2,433,016.72

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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.