Home / 3,234,272.80-4,851,409.20-990,119.20

Finding the Fourth Proportional to 3,234,272.80, 4,851,409.20 and 990,119.20

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Solution

The fourth proportional to 3,234,272.80, 4,851,409.20 and 990,119.20 is: 1,485,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234,272.80 : 4,851,409.20 = 990,119.20 : x
  2. Step 2: Convert to fraction form
    3,234,272.80/4,851,409.20 = 990,119.20/x
  3. Step 3: Cross multiply
    3,234,272.80x = 4,851,409.20 × 990,119.20
  4. Step 4: Simplify right side
    3,234,272.80x = 4,803,473,395,976.64
  5. Step 5: Solve for x
    x = 4,803,473,395,976.64/3,234,272.80
  6. Step 6: Final answer
    x = 1,485,178.80

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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.