Home / 3,118,928.97-4,680,259.70-2,865,120.33

Finding the Fourth Proportional to 3,118,928.97, 4,680,259.70 and 2,865,120.33

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Solution

The fourth proportional to 3,118,928.97, 4,680,259.70 and 2,865,120.33 is: 4,299,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,928.97 : 4,680,259.70 = 2,865,120.33 : x
  2. Step 2: Convert to fraction form
    3,118,928.97/4,680,259.70 = 2,865,120.33/x
  3. Step 3: Cross multiply
    3,118,928.97x = 4,680,259.70 × 2,865,120.33
  4. Step 4: Simplify right side
    3,118,928.97x = 13,409,507,201,824.10
  5. Step 5: Solve for x
    x = 13,409,507,201,824.10/3,118,928.97
  6. Step 6: Final answer
    x = 4,299,394.87

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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.