Home / 1,936,400.10-2,904,600.15-1,489,377.30

Finding the Fourth Proportional to 1,936,400.10, 2,904,600.15 and 1,489,377.30

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Solution

The fourth proportional to 1,936,400.10, 2,904,600.15 and 1,489,377.30 is: 2,234,065.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,400.10 : 2,904,600.15 = 1,489,377.30 : x
  2. Step 2: Convert to fraction form
    1,936,400.10/2,904,600.15 = 1,489,377.30/x
  3. Step 3: Cross multiply
    1,936,400.10x = 2,904,600.15 × 1,489,377.30
  4. Step 4: Simplify right side
    1,936,400.10x = 4,326,045,528,986.60
  5. Step 5: Solve for x
    x = 4,326,045,528,986.60/1,936,400.10
  6. Step 6: Final answer
    x = 2,234,065.95

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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.