Home / 2,874,997.80-4,310,423.10-1,878,287.40

Finding the Fourth Proportional to 2,874,997.80, 4,310,423.10 and 1,878,287.40

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Solution

The fourth proportional to 2,874,997.80, 4,310,423.10 and 1,878,287.40 is: 2,816,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,997.80 : 4,310,423.10 = 1,878,287.40 : x
  2. Step 2: Convert to fraction form
    2,874,997.80/4,310,423.10 = 1,878,287.40/x
  3. Step 3: Cross multiply
    2,874,997.80x = 4,310,423.10 × 1,878,287.40
  4. Step 4: Simplify right side
    2,874,997.80x = 8,096,213,397,398.94
  5. Step 5: Solve for x
    x = 8,096,213,397,398.94/2,874,997.80
  6. Step 6: Final answer
    x = 2,816,076.38

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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.