Home / 2,889,911.82-3,988,209.60-1,600,752.06

Finding the Fourth Proportional to 2,889,911.82, 3,988,209.60 and 1,600,752.06

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Solution

The fourth proportional to 2,889,911.82, 3,988,209.60 and 1,600,752.06 is: 2,209,110.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,911.82 : 3,988,209.60 = 1,600,752.06 : x
  2. Step 2: Convert to fraction form
    2,889,911.82/3,988,209.60 = 1,600,752.06/x
  3. Step 3: Cross multiply
    2,889,911.82x = 3,988,209.60 × 1,600,752.06
  4. Step 4: Simplify right side
    2,889,911.82x = 6,384,134,732,911.78
  5. Step 5: Solve for x
    x = 6,384,134,732,911.78/2,889,911.82
  6. Step 6: Final answer
    x = 2,209,110.56

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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.