Home / 2,189,157.36-3,021,008.52-1,222,304.08

Finding the Fourth Proportional to 2,189,157.36, 3,021,008.52 and 1,222,304.08

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Solution

The fourth proportional to 2,189,157.36, 3,021,008.52 and 1,222,304.08 is: 1,686,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,157.36 : 3,021,008.52 = 1,222,304.08 : x
  2. Step 2: Convert to fraction form
    2,189,157.36/3,021,008.52 = 1,222,304.08/x
  3. Step 3: Cross multiply
    2,189,157.36x = 3,021,008.52 × 1,222,304.08
  4. Step 4: Simplify right side
    2,189,157.36x = 3,692,591,039,710.76
  5. Step 5: Solve for x
    x = 3,692,591,039,710.76/2,189,157.36
  6. Step 6: Final answer
    x = 1,686,763.64

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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.