Finding the Fourth Proportional to 5,405,981.48, 7,460,257.34 and 2,958,591.08
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Solution
The fourth proportional to 5,405,981.48, 7,460,257.34 and 2,958,591.08 is: 4,082,857.28
Step by Step Solution
- Step 1: Write the proportion equation
5,405,981.48 : 7,460,257.34 = 2,958,591.08 : x - Step 2: Convert to fraction form
5,405,981.48/7,460,257.34 = 2,958,591.08/x - Step 3: Cross multiply
5,405,981.48x = 7,460,257.34 × 2,958,591.08 - Step 4: Simplify right side
5,405,981.48x = 22,071,850,824,486.21 - Step 5: Solve for x
x = 22,071,850,824,486.21/5,405,981.48 - Step 6: Final answer
x = 4,082,857.28
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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.