Finding the Fourth Proportional to 5,456,220.12, 7,526,458.08 and 3,415,486.68
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Solution
The fourth proportional to 5,456,220.12, 7,526,458.08 and 3,415,486.68 is: 4,711,415.00
Step by Step Solution
- Step 1: Write the proportion equation
5,456,220.12 : 7,526,458.08 = 3,415,486.68 : x - Step 2: Convert to fraction form
5,456,220.12/7,526,458.08 = 3,415,486.68/x - Step 3: Cross multiply
5,456,220.12x = 7,526,458.08 × 3,415,486.68 - Step 4: Simplify right side
5,456,220.12x = 25,706,517,319,818.38 - Step 5: Solve for x
x = 25,706,517,319,818.38/5,456,220.12 - Step 6: Final answer
x = 4,711,415.00
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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.