Home / 2,860,103.12-4,290,150.60-730,187.60

Finding the Fourth Proportional to 2,860,103.12, 4,290,150.60 and 730,187.60

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Solution

The fourth proportional to 2,860,103.12, 4,290,150.60 and 730,187.60 is: 1,095,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,103.12 : 4,290,150.60 = 730,187.60 : x
  2. Step 2: Convert to fraction form
    2,860,103.12/4,290,150.60 = 730,187.60/x
  3. Step 3: Cross multiply
    2,860,103.12x = 4,290,150.60 × 730,187.60
  4. Step 4: Simplify right side
    2,860,103.12x = 3,132,614,770,252.56
  5. Step 5: Solve for x
    x = 3,132,614,770,252.56/2,860,103.12
  6. Step 6: Final answer
    x = 1,095,280.36

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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.