Home / 2,101,921.84-3,152,766.12-1,867,942

Finding the Fourth Proportional to 2,101,921.84, 3,152,766.12 and 1,867,942

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Solution

The fourth proportional to 2,101,921.84, 3,152,766.12 and 1,867,942 is: 2,801,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,921.84 : 3,152,766.12 = 1,867,942 : x
  2. Step 2: Convert to fraction form
    2,101,921.84/3,152,766.12 = 1,867,942/x
  3. Step 3: Cross multiply
    2,101,921.84x = 3,152,766.12 × 1,867,942
  4. Step 4: Simplify right side
    2,101,921.84x = 5,889,184,251,725.04
  5. Step 5: Solve for x
    x = 5,889,184,251,725.04/2,101,921.84
  6. Step 6: Final answer
    x = 2,801,809.34

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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.