Home / 3,848,979.16-5,774,750.97-1,290,447.28

Finding the Fourth Proportional to 3,848,979.16, 5,774,750.97 and 1,290,447.28

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Solution

The fourth proportional to 3,848,979.16, 5,774,750.97 and 1,290,447.28 is: 1,936,100.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848,979.16 : 5,774,750.97 = 1,290,447.28 : x
  2. Step 2: Convert to fraction form
    3,848,979.16/5,774,750.97 = 1,290,447.28/x
  3. Step 3: Cross multiply
    3,848,979.16x = 5,774,750.97 × 1,290,447.28
  4. Step 4: Simplify right side
    3,848,979.16x = 7,452,011,681,913.86
  5. Step 5: Solve for x
    x = 7,452,011,681,913.86/3,848,979.16
  6. Step 6: Final answer
    x = 1,936,100.81

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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.