Home / 4,974,648.88-6,864,405.08-3,138,414.64

Finding the Fourth Proportional to 4,974,648.88, 6,864,405.08 and 3,138,414.64

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Solution

The fourth proportional to 4,974,648.88, 6,864,405.08 and 3,138,414.64 is: 4,330,627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974,648.88 : 6,864,405.08 = 3,138,414.64 : x
  2. Step 2: Convert to fraction form
    4,974,648.88/6,864,405.08 = 3,138,414.64/x
  3. Step 3: Cross multiply
    4,974,648.88x = 6,864,405.08 × 3,138,414.64
  4. Step 4: Simplify right side
    4,974,648.88x = 21,543,349,397,962.37
  5. Step 5: Solve for x
    x = 21,543,349,397,962.37/4,974,648.88
  6. Step 6: Final answer
    x = 4,330,627.13

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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.