Home / 2,890,089-3,988,272.87-1,600,902.36

Finding the Fourth Proportional to 2,890,089, 3,988,272.87 and 1,600,902.36

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Solution

The fourth proportional to 2,890,089, 3,988,272.87 and 1,600,902.36 is: 2,209,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,089 : 3,988,272.87 = 1,600,902.36 : x
  2. Step 2: Convert to fraction form
    2,890,089/3,988,272.87 = 1,600,902.36/x
  3. Step 3: Cross multiply
    2,890,089x = 3,988,272.87 × 1,600,902.36
  4. Step 4: Simplify right side
    2,890,089x = 6,384,835,449,906.97
  5. Step 5: Solve for x
    x = 6,384,835,449,906.97/2,890,089
  6. Step 6: Final answer
    x = 2,209,217.59

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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.