Home / 6,388,261.20-9,582,391.80-4,120,779.60

Finding the Fourth Proportional to 6,388,261.20, 9,582,391.80 and 4,120,779.60

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Solution

The fourth proportional to 6,388,261.20, 9,582,391.80 and 4,120,779.60 is: 6,181,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,261.20 : 9,582,391.80 = 4,120,779.60 : x
  2. Step 2: Convert to fraction form
    6,388,261.20/9,582,391.80 = 4,120,779.60/x
  3. Step 3: Cross multiply
    6,388,261.20x = 9,582,391.80 × 4,120,779.60
  4. Step 4: Simplify right side
    6,388,261.20x = 39,486,924,648,647.28
  5. Step 5: Solve for x
    x = 39,486,924,648,647.28/6,388,261.20
  6. Step 6: Final answer
    x = 6,181,169.40

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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.