Home / 1,557,995.80-2,150,026.04-869,627.83

Finding the Fourth Proportional to 1,557,995.80, 2,150,026.04 and 869,627.83

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Solution

The fourth proportional to 1,557,995.80, 2,150,026.04 and 869,627.83 is: 1,200,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,995.80 : 2,150,026.04 = 869,627.83 : x
  2. Step 2: Convert to fraction form
    1,557,995.80/2,150,026.04 = 869,627.83/x
  3. Step 3: Cross multiply
    1,557,995.80x = 2,150,026.04 × 869,627.83
  4. Step 4: Simplify right side
    1,557,995.80x = 1,869,722,479,608.69
  5. Step 5: Solve for x
    x = 1,869,722,479,608.69/1,557,995.80
  6. Step 6: Final answer
    x = 1,200,081.85

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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.