Home / 3,171,420.64-4,378,667.88-1,882,675.00

Finding the Fourth Proportional to 3,171,420.64, 4,378,667.88 and 1,882,675.00

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Solution

The fourth proportional to 3,171,420.64, 4,378,667.88 and 1,882,675.00 is: 2,599,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,420.64 : 4,378,667.88 = 1,882,675.00 : x
  2. Step 2: Convert to fraction form
    3,171,420.64/4,378,667.88 = 1,882,675.00/x
  3. Step 3: Cross multiply
    3,171,420.64x = 4,378,667.88 × 1,882,675.00
  4. Step 4: Simplify right side
    3,171,420.64x = 8,243,608,552,922.32
  5. Step 5: Solve for x
    x = 8,243,608,552,922.32/3,171,420.64
  6. Step 6: Final answer
    x = 2,599,342.53

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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.