Home / 3,259,435.20-4,889,152.80-863,649.60

Finding the Fourth Proportional to 3,259,435.20, 4,889,152.80 and 863,649.60

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Solution

The fourth proportional to 3,259,435.20, 4,889,152.80 and 863,649.60 is: 1,295,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,435.20 : 4,889,152.80 = 863,649.60 : x
  2. Step 2: Convert to fraction form
    3,259,435.20/4,889,152.80 = 863,649.60/x
  3. Step 3: Cross multiply
    3,259,435.20x = 4,889,152.80 × 863,649.60
  4. Step 4: Simplify right side
    3,259,435.20x = 4,222,514,860,058.88
  5. Step 5: Solve for x
    x = 4,222,514,860,058.88/3,259,435.20
  6. Step 6: Final answer
    x = 1,295,474.40

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Similar ratio
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1.5x scale

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.