Home / 1,904,819.36-2,857,220.96-690,111.16

Finding the Fourth Proportional to 1,904,819.36, 2,857,220.96 and 690,111.16

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Solution

The fourth proportional to 1,904,819.36, 2,857,220.96 and 690,111.16 is: 1,035,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,819.36 : 2,857,220.96 = 690,111.16 : x
  2. Step 2: Convert to fraction form
    1,904,819.36/2,857,220.96 = 690,111.16/x
  3. Step 3: Cross multiply
    1,904,819.36x = 2,857,220.96 × 690,111.16
  4. Step 4: Simplify right side
    1,904,819.36x = 1,971,800,071,081.91
  5. Step 5: Solve for x
    x = 1,971,800,071,081.91/1,904,819.36
  6. Step 6: Final answer
    x = 1,035,163.81

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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.