Finding the Fourth Proportional to 5,351,980.14, 7,384,664.16 and 3,257,419.62
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Solution
The fourth proportional to 5,351,980.14, 7,384,664.16 and 3,257,419.62 is: 4,494,588.79
Step by Step Solution
- Step 1: Write the proportion equation
5,351,980.14 : 7,384,664.16 = 3,257,419.62 : x - Step 2: Convert to fraction form
5,351,980.14/7,384,664.16 = 3,257,419.62/x - Step 3: Cross multiply
5,351,980.14x = 7,384,664.16 × 3,257,419.62 - Step 4: Simplify right side
5,351,980.14x = 24,054,949,921,894.82 - Step 5: Solve for x
x = 24,054,949,921,894.82/5,351,980.14 - Step 6: Final answer
x = 4,494,588.79
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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.