Finding the Fourth Proportional to 5,381,730.98, 7,427,640.69 and 3,207,535.26
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Solution
The fourth proportional to 5,381,730.98, 7,427,640.69 and 3,207,535.26 is: 4,426,906.42
Step by Step Solution
- Step 1: Write the proportion equation
5,381,730.98 : 7,427,640.69 = 3,207,535.26 : x - Step 2: Convert to fraction form
5,381,730.98/7,427,640.69 = 3,207,535.26/x - Step 3: Cross multiply
5,381,730.98x = 7,427,640.69 × 3,207,535.26 - Step 4: Simplify right side
5,381,730.98x = 23,824,419,411,785.73 - Step 5: Solve for x
x = 23,824,419,411,785.73/5,381,730.98 - Step 6: Final answer
x = 4,426,906.42
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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.