Home / 2,878,566.40-4,315,084.80-2,238,515.20

Finding the Fourth Proportional to 2,878,566.40, 4,315,084.80 and 2,238,515.20

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Solution

The fourth proportional to 2,878,566.40, 4,315,084.80 and 2,238,515.20 is: 3,355,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,566.40 : 4,315,084.80 = 2,238,515.20 : x
  2. Step 2: Convert to fraction form
    2,878,566.40/4,315,084.80 = 2,238,515.20/x
  3. Step 3: Cross multiply
    2,878,566.40x = 4,315,084.80 × 2,238,515.20
  4. Step 4: Simplify right side
    2,878,566.40x = 9,659,382,914,088.96
  5. Step 5: Solve for x
    x = 9,659,382,914,088.96/2,878,566.40
  6. Step 6: Final answer
    x = 3,355,622.76

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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.