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Finding the Fourth Proportional to 1,848,734.60, 2,773,064.78 and 837,668.10

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Solution

The fourth proportional to 1,848,734.60, 2,773,064.78 and 837,668.10 is: 1,256,485.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,734.60 : 2,773,064.78 = 837,668.10 : x
  2. Step 2: Convert to fraction form
    1,848,734.60/2,773,064.78 = 837,668.10/x
  3. Step 3: Cross multiply
    1,848,734.60x = 2,773,064.78 × 837,668.10
  4. Step 4: Simplify right side
    1,848,734.60x = 2,322,907,905,439.52
  5. Step 5: Solve for x
    x = 2,322,907,905,439.52/1,848,734.60
  6. Step 6: Final answer
    x = 1,256,485.33

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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.