Home / 2,878,568.40-4,315,087.80-2,238,517.20

Finding the Fourth Proportional to 2,878,568.40, 4,315,087.80 and 2,238,517.20

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Solution

The fourth proportional to 2,878,568.40, 4,315,087.80 and 2,238,517.20 is: 3,355,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,568.40 : 4,315,087.80 = 2,238,517.20 : x
  2. Step 2: Convert to fraction form
    2,878,568.40/4,315,087.80 = 2,238,517.20/x
  3. Step 3: Cross multiply
    2,878,568.40x = 4,315,087.80 × 2,238,517.20
  4. Step 4: Simplify right side
    2,878,568.40x = 9,659,398,259,810.16
  5. Step 5: Solve for x
    x = 9,659,398,259,810.16/2,878,568.40
  6. Step 6: Final answer
    x = 3,355,625.75

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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.