Home / 5,055,141.70-6,974,392.16-2,878,144.52

Finding the Fourth Proportional to 5,055,141.70, 6,974,392.16 and 2,878,144.52

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Solution

The fourth proportional to 5,055,141.70, 6,974,392.16 and 2,878,144.52 is: 3,970,869.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055,141.70 : 6,974,392.16 = 2,878,144.52 : x
  2. Step 2: Convert to fraction form
    5,055,141.70/6,974,392.16 = 2,878,144.52/x
  3. Step 3: Cross multiply
    5,055,141.70x = 6,974,392.16 × 2,878,144.52
  4. Step 4: Simplify right side
    5,055,141.70x = 20,073,308,575,634.96
  5. Step 5: Solve for x
    x = 20,073,308,575,634.96/5,055,141.70
  6. Step 6: Final answer
    x = 3,970,869.61

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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.