Home / 2,209,438.20-3,048,995.78-1,242,568.20

Finding the Fourth Proportional to 2,209,438.20, 3,048,995.78 and 1,242,568.20

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Solution

The fourth proportional to 2,209,438.20, 3,048,995.78 and 1,242,568.20 is: 1,714,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,438.20 : 3,048,995.78 = 1,242,568.20 : x
  2. Step 2: Convert to fraction form
    2,209,438.20/3,048,995.78 = 1,242,568.20/x
  3. Step 3: Cross multiply
    2,209,438.20x = 3,048,995.78 × 1,242,568.20
  4. Step 4: Simplify right side
    2,209,438.20x = 3,788,585,198,162.20
  5. Step 5: Solve for x
    x = 3,788,585,198,162.20/2,209,438.20
  6. Step 6: Final answer
    x = 1,714,727.84

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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.