Home / 3,168,796.54-4,372,821.15-1,878,865.06

Finding the Fourth Proportional to 3,168,796.54, 4,372,821.15 and 1,878,865.06

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Solution

The fourth proportional to 3,168,796.54, 4,372,821.15 and 1,878,865.06 is: 2,592,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,796.54 : 4,372,821.15 = 1,878,865.06 : x
  2. Step 2: Convert to fraction form
    3,168,796.54/4,372,821.15 = 1,878,865.06/x
  3. Step 3: Cross multiply
    3,168,796.54x = 4,372,821.15 × 1,878,865.06
  4. Step 4: Simplify right side
    3,168,796.54x = 8,215,940,872,364.02
  5. Step 5: Solve for x
    x = 8,215,940,872,364.02/3,168,796.54
  6. Step 6: Final answer
    x = 2,592,763.77

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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.