Home / 2,168,422.82-2,992,489.09-1,201,462.64

Finding the Fourth Proportional to 2,168,422.82, 2,992,489.09 and 1,201,462.64

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Solution

The fourth proportional to 2,168,422.82, 2,992,489.09 and 1,201,462.64 is: 1,658,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,422.82 : 2,992,489.09 = 1,201,462.64 : x
  2. Step 2: Convert to fraction form
    2,168,422.82/2,992,489.09 = 1,201,462.64/x
  3. Step 3: Cross multiply
    2,168,422.82x = 2,992,489.09 × 1,201,462.64
  4. Step 4: Simplify right side
    2,168,422.82x = 3,595,363,827,280.15
  5. Step 5: Solve for x
    x = 3,595,363,827,280.15/2,168,422.82
  6. Step 6: Final answer
    x = 1,658,054.79

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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.