Finding the Fourth Proportional to 5,257,281.09, 7,253,921.92 and 3,951,929.14
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Solution
The fourth proportional to 5,257,281.09, 7,253,921.92 and 3,951,929.14 is: 5,452,815.80
Step by Step Solution
- Step 1: Write the proportion equation
5,257,281.09 : 7,253,921.92 = 3,951,929.14 : x - Step 2: Convert to fraction form
5,257,281.09/7,253,921.92 = 3,951,929.14/x - Step 3: Cross multiply
5,257,281.09x = 7,253,921.92 × 3,951,929.14 - Step 4: Simplify right side
5,257,281.09x = 28,666,985,414,932.75 - Step 5: Solve for x
x = 28,666,985,414,932.75/5,257,281.09 - Step 6: Final answer
x = 5,452,815.80
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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.