Home / 2,085,856.84-2,878,523.22-1,361,168.20

Finding the Fourth Proportional to 2,085,856.84, 2,878,523.22 and 1,361,168.20

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Solution

The fourth proportional to 2,085,856.84, 2,878,523.22 and 1,361,168.20 is: 1,878,438.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,856.84 : 2,878,523.22 = 1,361,168.20 : x
  2. Step 2: Convert to fraction form
    2,085,856.84/2,878,523.22 = 1,361,168.20/x
  3. Step 3: Cross multiply
    2,085,856.84x = 2,878,523.22 × 1,361,168.20
  4. Step 4: Simplify right side
    2,085,856.84x = 3,918,154,270,025.60
  5. Step 5: Solve for x
    x = 3,918,154,270,025.60/2,085,856.84
  6. Step 6: Final answer
    x = 1,878,438.73

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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.