Finding the Fourth Proportional to 5,251,191.26, 7,876,788.23 and 1,657,239.49
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Solution
The fourth proportional to 5,251,191.26, 7,876,788.23 and 1,657,239.49 is: 2,485,859.65
Step by Step Solution
- Step 1: Write the proportion equation
5,251,191.26 : 7,876,788.23 = 1,657,239.49 : x - Step 2: Convert to fraction form
5,251,191.26/7,876,788.23 = 1,657,239.49/x - Step 3: Cross multiply
5,251,191.26x = 7,876,788.23 × 1,657,239.49 - Step 4: Simplify right side
5,251,191.26x = 13,053,724,461,453.06 - Step 5: Solve for x
x = 13,053,724,461,453.06/5,251,191.26 - Step 6: Final answer
x = 2,485,859.65
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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.