Finding the Fourth Proportional to 5,209,336.74, 7,188,884.70 and 2,917,497.43
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Solution
The fourth proportional to 5,209,336.74, 7,188,884.70 and 2,917,497.43 is: 4,026,146.45
Step by Step Solution
- Step 1: Write the proportion equation
5,209,336.74 : 7,188,884.70 = 2,917,497.43 : x - Step 2: Convert to fraction form
5,209,336.74/7,188,884.70 = 2,917,497.43/x - Step 3: Cross multiply
5,209,336.74x = 7,188,884.70 × 2,917,497.43 - Step 4: Simplify right side
5,209,336.74x = 20,973,552,618,844.11 - Step 5: Solve for x
x = 20,973,552,618,844.11/5,209,336.74 - Step 6: Final answer
x = 4,026,146.45
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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.