Finding the Fourth Proportional to 5,158,581.32, 7,118,277 and 2,982,795.24
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Solution
The fourth proportional to 5,158,581.32, 7,118,277 and 2,982,795.24 is: 4,115,930.61
Step by Step Solution
- Step 1: Write the proportion equation
5,158,581.32 : 7,118,277 = 2,982,795.24 : x - Step 2: Convert to fraction form
5,158,581.32/7,118,277 = 2,982,795.24/x - Step 3: Cross multiply
5,158,581.32x = 7,118,277 × 2,982,795.24 - Step 4: Simplify right side
5,158,581.32x = 21,232,362,752,601.48 - Step 5: Solve for x
x = 21,232,362,752,601.48/5,158,581.32 - Step 6: Final answer
x = 4,115,930.61
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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.