Home / 2,617,215.40-3,922,907.10-1,019,247.40

Finding the Fourth Proportional to 2,617,215.40, 3,922,907.10 and 1,019,247.40

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Solution

The fourth proportional to 2,617,215.40, 3,922,907.10 and 1,019,247.40 is: 1,527,735.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,215.40 : 3,922,907.10 = 1,019,247.40 : x
  2. Step 2: Convert to fraction form
    2,617,215.40/3,922,907.10 = 1,019,247.40/x
  3. Step 3: Cross multiply
    2,617,215.40x = 3,922,907.10 × 1,019,247.40
  4. Step 4: Simplify right side
    2,617,215.40x = 3,998,412,862,116.54
  5. Step 5: Solve for x
    x = 3,998,412,862,116.54/2,617,215.40
  6. Step 6: Final answer
    x = 1,527,735.49

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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.