Home / 1,869,840.38-2,802,545.58-858,109.88

Finding the Fourth Proportional to 1,869,840.38, 2,802,545.58 and 858,109.88

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Solution

The fourth proportional to 1,869,840.38, 2,802,545.58 and 858,109.88 is: 1,286,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,840.38 : 2,802,545.58 = 858,109.88 : x
  2. Step 2: Convert to fraction form
    1,869,840.38/2,802,545.58 = 858,109.88/x
  3. Step 3: Cross multiply
    1,869,840.38x = 2,802,545.58 × 858,109.88
  4. Step 4: Simplify right side
    1,869,840.38x = 2,404,892,051,348.33
  5. Step 5: Solve for x
    x = 2,404,892,051,348.33/1,869,840.38
  6. Step 6: Final answer
    x = 1,286,148.31

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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.