Home / 1,984,007.25-2,737,949.45-1,078,608.69

Finding the Fourth Proportional to 1,984,007.25, 2,737,949.45 and 1,078,608.69

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Solution

The fourth proportional to 1,984,007.25, 2,737,949.45 and 1,078,608.69 is: 1,488,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,007.25 : 2,737,949.45 = 1,078,608.69 : x
  2. Step 2: Convert to fraction form
    1,984,007.25/2,737,949.45 = 1,078,608.69/x
  3. Step 3: Cross multiply
    1,984,007.25x = 2,737,949.45 × 1,078,608.69
  4. Step 4: Simplify right side
    1,984,007.25x = 2,953,176,064,157.68
  5. Step 5: Solve for x
    x = 2,953,176,064,157.68/1,984,007.25
  6. Step 6: Final answer
    x = 1,488,490.56

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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.