Home / 3,889,570.09-5,368,147.73-2,170,801.31

Finding the Fourth Proportional to 3,889,570.09, 5,368,147.73 and 2,170,801.31

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Solution

The fourth proportional to 3,889,570.09, 5,368,147.73 and 2,170,801.31 is: 2,996,007.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,570.09 : 5,368,147.73 = 2,170,801.31 : x
  2. Step 2: Convert to fraction form
    3,889,570.09/5,368,147.73 = 2,170,801.31/x
  3. Step 3: Cross multiply
    3,889,570.09x = 5,368,147.73 × 2,170,801.31
  4. Step 4: Simplify right side
    3,889,570.09x = 11,653,182,113,703.52
  5. Step 5: Solve for x
    x = 11,653,182,113,703.52/3,889,570.09
  6. Step 6: Final answer
    x = 2,996,007.74

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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.