Home / 2,260,632.69-3,119,660.55-1,228,132.22

Finding the Fourth Proportional to 2,260,632.69, 3,119,660.55 and 1,228,132.22

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Solution

The fourth proportional to 2,260,632.69, 3,119,660.55 and 1,228,132.22 is: 1,694,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260,632.69 : 3,119,660.55 = 1,228,132.22 : x
  2. Step 2: Convert to fraction form
    2,260,632.69/3,119,660.55 = 1,228,132.22/x
  3. Step 3: Cross multiply
    2,260,632.69x = 3,119,660.55 × 1,228,132.22
  4. Step 4: Simplify right side
    2,260,632.69x = 3,831,355,621,319.62
  5. Step 5: Solve for x
    x = 3,831,355,621,319.62/2,260,632.69
  6. Step 6: Final answer
    x = 1,694,815.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.