Home / 2,480,058.21-3,422,243.91-1,392,080.43

Finding the Fourth Proportional to 2,480,058.21, 3,422,243.91 and 1,392,080.43

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Solution

The fourth proportional to 2,480,058.21, 3,422,243.91 and 1,392,080.43 is: 1,920,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480,058.21 : 3,422,243.91 = 1,392,080.43 : x
  2. Step 2: Convert to fraction form
    2,480,058.21/3,422,243.91 = 1,392,080.43/x
  3. Step 3: Cross multiply
    2,480,058.21x = 3,422,243.91 × 1,392,080.43
  4. Step 4: Simplify right side
    2,480,058.21x = 4,764,038,773,797.68
  5. Step 5: Solve for x
    x = 4,764,038,773,797.68/2,480,058.21
  6. Step 6: Final answer
    x = 1,920,938.29

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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.