Home / 2,889,815.31-3,987,895.25-1,600,628.03

Finding the Fourth Proportional to 2,889,815.31, 3,987,895.25 and 1,600,628.03

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Solution

The fourth proportional to 2,889,815.31, 3,987,895.25 and 1,600,628.03 is: 2,208,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,815.31 : 3,987,895.25 = 1,600,628.03 : x
  2. Step 2: Convert to fraction form
    2,889,815.31/3,987,895.25 = 1,600,628.03/x
  3. Step 3: Cross multiply
    2,889,815.31x = 3,987,895.25 × 1,600,628.03
  4. Step 4: Simplify right side
    2,889,815.31x = 6,383,136,889,911.24
  5. Step 5: Solve for x
    x = 6,383,136,889,911.24/2,889,815.31
  6. Step 6: Final answer
    x = 2,208,839.05

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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.