Home / 1,986,796.20-2,980,252.73-547,501.43

Finding the Fourth Proportional to 1,986,796.20, 2,980,252.73 and 547,501.43

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Solution

The fourth proportional to 1,986,796.20, 2,980,252.73 and 547,501.43 is: 821,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,796.20 : 2,980,252.73 = 547,501.43 : x
  2. Step 2: Convert to fraction form
    1,986,796.20/2,980,252.73 = 547,501.43/x
  3. Step 3: Cross multiply
    1,986,796.20x = 2,980,252.73 × 547,501.43
  4. Step 4: Simplify right side
    1,986,796.20x = 1,631,692,640,255.79
  5. Step 5: Solve for x
    x = 1,631,692,640,255.79/1,986,796.20
  6. Step 6: Final answer
    x = 821,268.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.