Home / 3,086,821.60-4,630,232.40-842,959.60

Finding the Fourth Proportional to 3,086,821.60, 4,630,232.40 and 842,959.60

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Solution

The fourth proportional to 3,086,821.60, 4,630,232.40 and 842,959.60 is: 1,264,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,821.60 : 4,630,232.40 = 842,959.60 : x
  2. Step 2: Convert to fraction form
    3,086,821.60/4,630,232.40 = 842,959.60/x
  3. Step 3: Cross multiply
    3,086,821.60x = 4,630,232.40 × 842,959.60
  4. Step 4: Simplify right side
    3,086,821.60x = 3,903,098,851,811.04
  5. Step 5: Solve for x
    x = 3,903,098,851,811.04/3,086,821.60
  6. Step 6: Final answer
    x = 1,264,439.40

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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.