Home / 2,071,640.78-2,859,007.98-1,255,878.84

Finding the Fourth Proportional to 2,071,640.78, 2,859,007.98 and 1,255,878.84

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Solution

The fourth proportional to 2,071,640.78, 2,859,007.98 and 1,255,878.84 is: 1,733,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,640.78 : 2,859,007.98 = 1,255,878.84 : x
  2. Step 2: Convert to fraction form
    2,071,640.78/2,859,007.98 = 1,255,878.84/x
  3. Step 3: Cross multiply
    2,071,640.78x = 2,859,007.98 × 1,255,878.84
  4. Step 4: Simplify right side
    2,071,640.78x = 3,590,567,625,473.14
  5. Step 5: Solve for x
    x = 3,590,567,625,473.14/2,071,640.78
  6. Step 6: Final answer
    x = 1,733,199.92

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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.