Home / 3,122,107.12-4,309,836.12-1,898,805.36

Finding the Fourth Proportional to 3,122,107.12, 4,309,836.12 and 1,898,805.36

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Solution

The fourth proportional to 3,122,107.12, 4,309,836.12 and 1,898,805.36 is: 2,621,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,107.12 : 4,309,836.12 = 1,898,805.36 : x
  2. Step 2: Convert to fraction form
    3,122,107.12/4,309,836.12 = 1,898,805.36/x
  3. Step 3: Cross multiply
    3,122,107.12x = 4,309,836.12 × 1,898,805.36
  4. Step 4: Simplify right side
    3,122,107.12x = 8,183,539,925,377.60
  5. Step 5: Solve for x
    x = 8,183,539,925,377.60/3,122,107.12
  6. Step 6: Final answer
    x = 2,621,159.24

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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.