Home / 2,948,043.89-4,068,391.08-1,605,486.44

Finding the Fourth Proportional to 2,948,043.89, 4,068,391.08 and 1,605,486.44

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Solution

The fourth proportional to 2,948,043.89, 4,068,391.08 and 1,605,486.44 is: 2,215,620.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,043.89 : 4,068,391.08 = 1,605,486.44 : x
  2. Step 2: Convert to fraction form
    2,948,043.89/4,068,391.08 = 1,605,486.44/x
  3. Step 3: Cross multiply
    2,948,043.89x = 4,068,391.08 × 1,605,486.44
  4. Step 4: Simplify right side
    2,948,043.89x = 6,531,746,691,215
  5. Step 5: Solve for x
    x = 6,531,746,691,215/2,948,043.89
  6. Step 6: Final answer
    x = 2,215,620.58

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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.