Finding the Fourth Proportional to 3,888,449.97, 5,363,027.35 and 2,493,144.88
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Solution
The fourth proportional to 3,888,449.97, 5,363,027.35 and 2,493,144.88 is: 3,438,594.89
Step by Step Solution
- Step 1: Write the proportion equation
3,888,449.97 : 5,363,027.35 = 2,493,144.88 : x - Step 2: Convert to fraction form
3,888,449.97/5,363,027.35 = 2,493,144.88/x - Step 3: Cross multiply
3,888,449.97x = 5,363,027.35 × 2,493,144.88 - Step 4: Simplify right side
3,888,449.97x = 13,370,804,177,371.36 - Step 5: Solve for x
x = 13,370,804,177,371.36/3,888,449.97 - Step 6: Final answer
x = 3,438,594.89
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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.