Home / 2,869,782.25-3,960,479.19-1,580,622.16

Finding the Fourth Proportional to 2,869,782.25, 3,960,479.19 and 1,580,622.16

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Solution

The fourth proportional to 2,869,782.25, 3,960,479.19 and 1,580,622.16 is: 2,181,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,782.25 : 3,960,479.19 = 1,580,622.16 : x
  2. Step 2: Convert to fraction form
    2,869,782.25/3,960,479.19 = 1,580,622.16/x
  3. Step 3: Cross multiply
    2,869,782.25x = 3,960,479.19 × 1,580,622.16
  4. Step 4: Simplify right side
    2,869,782.25x = 6,260,021,171,932.85
  5. Step 5: Solve for x
    x = 6,260,021,171,932.85/2,869,782.25
  6. Step 6: Final answer
    x = 2,181,357.55

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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.