Finding the Fourth Proportional to 6,413,893.56, 9,619,637.49 and 3,218,161.68
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Solution
The fourth proportional to 6,413,893.56, 9,619,637.49 and 3,218,161.68 is: 4,826,638.99
Step by Step Solution
- Step 1: Write the proportion equation
6,413,893.56 : 9,619,637.49 = 3,218,161.68 : x - Step 2: Convert to fraction form
6,413,893.56/9,619,637.49 = 3,218,161.68/x - Step 3: Cross multiply
6,413,893.56x = 9,619,637.49 × 3,218,161.68 - Step 4: Simplify right side
6,413,893.56x = 30,957,548,745,809.39 - Step 5: Solve for x
x = 30,957,548,745,809.39/6,413,893.56 - Step 6: Final answer
x = 4,826,638.99
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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.