Finding the Fourth Proportional to 6,460,481.67, 8,915,862.66 and 3,559,872.06
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Solution
The fourth proportional to 6,460,481.67, 8,915,862.66 and 3,559,872.06 is: 4,912,842.73
Step by Step Solution
- Step 1: Write the proportion equation
6,460,481.67 : 8,915,862.66 = 3,559,872.06 : x - Step 2: Convert to fraction form
6,460,481.67/8,915,862.66 = 3,559,872.06/x - Step 3: Cross multiply
6,460,481.67x = 8,915,862.66 × 3,559,872.06 - Step 4: Simplify right side
6,460,481.67x = 31,739,330,374,131.28 - Step 5: Solve for x
x = 31,739,330,374,131.28/6,460,481.67 - Step 6: Final answer
x = 4,912,842.73
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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.