Home / 3,643,173.29-5,027,603.45-1,989,331.89

Finding the Fourth Proportional to 3,643,173.29, 5,027,603.45 and 1,989,331.89

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Solution

The fourth proportional to 3,643,173.29, 5,027,603.45 and 1,989,331.89 is: 2,745,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,173.29 : 5,027,603.45 = 1,989,331.89 : x
  2. Step 2: Convert to fraction form
    3,643,173.29/5,027,603.45 = 1,989,331.89/x
  3. Step 3: Cross multiply
    3,643,173.29x = 5,027,603.45 × 1,989,331.89
  4. Step 4: Simplify right side
    3,643,173.29x = 10,001,571,873,359.02
  5. Step 5: Solve for x
    x = 10,001,571,873,359.02/3,643,173.29
  6. Step 6: Final answer
    x = 2,745,291.28

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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.