Home / 1,984,961.48-2,739,249.78-1,079,541.32

Finding the Fourth Proportional to 1,984,961.48, 2,739,249.78 and 1,079,541.32

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Solution

The fourth proportional to 1,984,961.48, 2,739,249.78 and 1,079,541.32 is: 1,489,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,961.48 : 2,739,249.78 = 1,079,541.32 : x
  2. Step 2: Convert to fraction form
    1,984,961.48/2,739,249.78 = 1,079,541.32/x
  3. Step 3: Cross multiply
    1,984,961.48x = 2,739,249.78 × 1,079,541.32
  4. Step 4: Simplify right side
    1,984,961.48x = 2,957,133,323,310.91
  5. Step 5: Solve for x
    x = 2,957,133,323,310.91/1,984,961.48
  6. Step 6: Final answer
    x = 1,489,768.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.