Finding the Fourth Proportional to 6,695,863.08, 9,241,145.79 and 3,942,806.66
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Solution
The fourth proportional to 6,695,863.08, 9,241,145.79 and 3,942,806.66 is: 5,441,576.49
Step by Step Solution
- Step 1: Write the proportion equation
6,695,863.08 : 9,241,145.79 = 3,942,806.66 : x - Step 2: Convert to fraction form
6,695,863.08/9,241,145.79 = 3,942,806.66/x - Step 3: Cross multiply
6,695,863.08x = 9,241,145.79 × 3,942,806.66 - Step 4: Simplify right side
6,695,863.08x = 36,436,051,120,637.23 - Step 5: Solve for x
x = 36,436,051,120,637.23/6,695,863.08 - Step 6: Final answer
x = 5,441,576.49
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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.