Home / 2,947,965.60-4,419,596.16-1,667,783.28

Finding the Fourth Proportional to 2,947,965.60, 4,419,596.16 and 1,667,783.28

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Solution

The fourth proportional to 2,947,965.60, 4,419,596.16 and 1,667,783.28 is: 2,500,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,965.60 : 4,419,596.16 = 1,667,783.28 : x
  2. Step 2: Convert to fraction form
    2,947,965.60/4,419,596.16 = 1,667,783.28/x
  3. Step 3: Cross multiply
    2,947,965.60x = 4,419,596.16 × 1,667,783.28
  4. Step 4: Simplify right side
    2,947,965.60x = 7,370,928,580,000.21
  5. Step 5: Solve for x
    x = 7,370,928,580,000.21/2,947,965.60
  6. Step 6: Final answer
    x = 2,500,344.16

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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.