Home / 3,115,136.40-4,664,831.40-2,485,280.40

Finding the Fourth Proportional to 3,115,136.40, 4,664,831.40 and 2,485,280.40

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Solution

The fourth proportional to 3,115,136.40, 4,664,831.40 and 2,485,280.40 is: 3,721,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,136.40 : 4,664,831.40 = 2,485,280.40 : x
  2. Step 2: Convert to fraction form
    3,115,136.40/4,664,831.40 = 2,485,280.40/x
  3. Step 3: Cross multiply
    3,115,136.40x = 4,664,831.40 × 2,485,280.40
  4. Step 4: Simplify right side
    3,115,136.40x = 11,593,414,047,724.56
  5. Step 5: Solve for x
    x = 11,593,414,047,724.56/3,115,136.40
  6. Step 6: Final answer
    x = 3,721,639.30

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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.