Finding the Fourth Proportional to 5,326,598.51, 7,991,081.49 and 2,485,160.63
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Solution
The fourth proportional to 5,326,598.51, 7,991,081.49 and 2,485,160.63 is: 3,728,293.22
Step by Step Solution
- Step 1: Write the proportion equation
5,326,598.51 : 7,991,081.49 = 2,485,160.63 : x - Step 2: Convert to fraction form
5,326,598.51/7,991,081.49 = 2,485,160.63/x - Step 3: Cross multiply
5,326,598.51x = 7,991,081.49 × 2,485,160.63 - Step 4: Simplify right side
5,326,598.51x = 19,859,121,109,400.24 - Step 5: Solve for x
x = 19,859,121,109,400.24/5,326,598.51 - Step 6: Final answer
x = 3,728,293.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.