Finding the Fourth Proportional to 3,207,841.98, 4,811,721.42 and 779,015.13
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Solution
The fourth proportional to 3,207,841.98, 4,811,721.42 and 779,015.13 is: 1,168,512.60
Step by Step Solution
- Step 1: Write the proportion equation
3,207,841.98 : 4,811,721.42 = 779,015.13 : x - Step 2: Convert to fraction form
3,207,841.98/4,811,721.42 = 779,015.13/x - Step 3: Cross multiply
3,207,841.98x = 4,811,721.42 × 779,015.13 - Step 4: Simplify right side
3,207,841.98x = 3,748,403,787,525.08 - Step 5: Solve for x
x = 3,748,403,787,525.08/3,207,841.98 - Step 6: Final answer
x = 1,168,512.60
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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.