Finding the Fourth Proportional to 3,893,584.75, 5,373,115.36 and 2,151,248.63
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Solution
The fourth proportional to 3,893,584.75, 5,373,115.36 and 2,151,248.63 is: 2,968,705.65
Step by Step Solution
- Step 1: Write the proportion equation
3,893,584.75 : 5,373,115.36 = 2,151,248.63 : x - Step 2: Convert to fraction form
3,893,584.75/5,373,115.36 = 2,151,248.63/x - Step 3: Cross multiply
3,893,584.75x = 5,373,115.36 × 2,151,248.63 - Step 4: Simplify right side
3,893,584.75x = 11,558,907,024,788.26 - Step 5: Solve for x
x = 11,558,907,024,788.26/3,893,584.75 - Step 6: Final answer
x = 2,968,705.65
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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.