Finding the Fourth Proportional to 6,677,561.64, 9,215,035.68 and 3,776,890.08
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Solution
The fourth proportional to 6,677,561.64, 9,215,035.68 and 3,776,890.08 is: 5,212,108.66
Step by Step Solution
- Step 1: Write the proportion equation
6,677,561.64 : 9,215,035.68 = 3,776,890.08 : x - Step 2: Convert to fraction form
6,677,561.64/9,215,035.68 = 3,776,890.08/x - Step 3: Cross multiply
6,677,561.64x = 9,215,035.68 × 3,776,890.08 - Step 4: Simplify right side
6,677,561.64x = 34,804,176,846,638.05 - Step 5: Solve for x
x = 34,804,176,846,638.05/6,677,561.64 - Step 6: Final answer
x = 5,212,108.66
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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.