Finding the Fourth Proportional to 5,109,278.16, 7,662,610.70 and 1,514,206.56
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Solution
The fourth proportional to 5,109,278.16, 7,662,610.70 and 1,514,206.56 is: 2,270,922.63
Step by Step Solution
- Step 1: Write the proportion equation
5,109,278.16 : 7,662,610.70 = 1,514,206.56 : x - Step 2: Convert to fraction form
5,109,278.16/7,662,610.70 = 1,514,206.56/x - Step 3: Cross multiply
5,109,278.16x = 7,662,610.70 × 1,514,206.56 - Step 4: Simplify right side
5,109,278.16x = 11,602,775,388,666.19 - Step 5: Solve for x
x = 11,602,775,388,666.19/5,109,278.16 - Step 6: Final answer
x = 2,270,922.63
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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.