Home / 2,071,640.03-2,859,006.96-1,255,878.09

Finding the Fourth Proportional to 2,071,640.03, 2,859,006.96 and 1,255,878.09

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Solution

The fourth proportional to 2,071,640.03, 2,859,006.96 and 1,255,878.09 is: 1,733,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,640.03 : 2,859,006.96 = 1,255,878.09 : x
  2. Step 2: Convert to fraction form
    2,071,640.03/2,859,006.96 = 1,255,878.09/x
  3. Step 3: Cross multiply
    2,071,640.03x = 2,859,006.96 × 1,255,878.09
  4. Step 4: Simplify right side
    2,071,640.03x = 3,590,564,200,221.51
  5. Step 5: Solve for x
    x = 3,590,564,200,221.51/2,071,640.03
  6. Step 6: Final answer
    x = 1,733,198.89

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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.