Finding the Fourth Proportional to 5,143,841.92, 7,095,248.56 and 3,305,140.08
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Solution
The fourth proportional to 5,143,841.92, 7,095,248.56 and 3,305,140.08 is: 4,559,002.93
Step by Step Solution
- Step 1: Write the proportion equation
5,143,841.92 : 7,095,248.56 = 3,305,140.08 : x - Step 2: Convert to fraction form
5,143,841.92/7,095,248.56 = 3,305,140.08/x - Step 3: Cross multiply
5,143,841.92x = 7,095,248.56 × 3,305,140.08 - Step 4: Simplify right side
5,143,841.92x = 23,450,790,393,218.29 - Step 5: Solve for x
x = 23,450,790,393,218.29/5,143,841.92 - Step 6: Final answer
x = 4,559,002.93
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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.