Home / 2,869,543.80-3,960,149.46-1,580,383.86

Finding the Fourth Proportional to 2,869,543.80, 3,960,149.46 and 1,580,383.86

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Solution

The fourth proportional to 2,869,543.80, 3,960,149.46 and 1,580,383.86 is: 2,181,028.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,543.80 : 3,960,149.46 = 1,580,383.86 : x
  2. Step 2: Convert to fraction form
    2,869,543.80/3,960,149.46 = 1,580,383.86/x
  3. Step 3: Cross multiply
    2,869,543.80x = 3,960,149.46 × 1,580,383.86
  4. Step 4: Simplify right side
    2,869,543.80x = 6,258,556,289,771.72
  5. Step 5: Solve for x
    x = 6,258,556,289,771.72/2,869,543.80
  6. Step 6: Final answer
    x = 2,181,028.32

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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.