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Finding the Fourth Proportional to 4,889,823.88, 7,333,074.60 and 1,694,204.14

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Solution

The fourth proportional to 4,889,823.88, 7,333,074.60 and 1,694,204.14 is: 2,540,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889,823.88 : 7,333,074.60 = 1,694,204.14 : x
  2. Step 2: Convert to fraction form
    4,889,823.88/7,333,074.60 = 1,694,204.14/x
  3. Step 3: Cross multiply
    4,889,823.88x = 7,333,074.60 × 1,694,204.14
  4. Step 4: Simplify right side
    4,889,823.88x = 12,423,725,346,248.84
  5. Step 5: Solve for x
    x = 12,423,725,346,248.84/4,889,823.88
  6. Step 6: Final answer
    x = 2,540,730.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.