Home / 3,090,997.80-4,634,336.70-1,828,175.40

Finding the Fourth Proportional to 3,090,997.80, 4,634,336.70 and 1,828,175.40

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Solution

The fourth proportional to 3,090,997.80, 4,634,336.70 and 1,828,175.40 is: 2,740,985.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,997.80 : 4,634,336.70 = 1,828,175.40 : x
  2. Step 2: Convert to fraction form
    3,090,997.80/4,634,336.70 = 1,828,175.40/x
  3. Step 3: Cross multiply
    3,090,997.80x = 4,634,336.70 × 1,828,175.40
  4. Step 4: Simplify right side
    3,090,997.80x = 8,472,380,350,257.18
  5. Step 5: Solve for x
    x = 8,472,380,350,257.18/3,090,997.80
  6. Step 6: Final answer
    x = 2,740,985.56

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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.