Home / 2,420,086.40-3,630,129.60-2,158,812.80

Finding the Fourth Proportional to 2,420,086.40, 3,630,129.60 and 2,158,812.80

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Solution

The fourth proportional to 2,420,086.40, 3,630,129.60 and 2,158,812.80 is: 3,238,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,086.40 : 3,630,129.60 = 2,158,812.80 : x
  2. Step 2: Convert to fraction form
    2,420,086.40/3,630,129.60 = 2,158,812.80/x
  3. Step 3: Cross multiply
    2,420,086.40x = 3,630,129.60 × 2,158,812.80
  4. Step 4: Simplify right side
    2,420,086.40x = 7,836,770,246,138.88
  5. Step 5: Solve for x
    x = 7,836,770,246,138.88/2,420,086.40
  6. Step 6: Final answer
    x = 3,238,219.20

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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.