Home / 1,980,058.92-2,732,090.90-1,205,481.84

Finding the Fourth Proportional to 1,980,058.92, 2,732,090.90 and 1,205,481.84

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Solution

The fourth proportional to 1,980,058.92, 2,732,090.90 and 1,205,481.84 is: 1,663,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,058.92 : 2,732,090.90 = 1,205,481.84 : x
  2. Step 2: Convert to fraction form
    1,980,058.92/2,732,090.90 = 1,205,481.84/x
  3. Step 3: Cross multiply
    1,980,058.92x = 2,732,090.90 × 1,205,481.84
  4. Step 4: Simplify right side
    1,980,058.92x = 3,293,485,959,151.85
  5. Step 5: Solve for x
    x = 3,293,485,959,151.85/1,980,058.92
  6. Step 6: Final answer
    x = 1,663,327.25

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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.