Finding the Fourth Proportional to 7,161,448.91, 9,882,925.49 and 3,898,357.43
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Solution
The fourth proportional to 7,161,448.91, 9,882,925.49 and 3,898,357.43 is: 5,379,801.84
Step by Step Solution
- Step 1: Write the proportion equation
7,161,448.91 : 9,882,925.49 = 3,898,357.43 : x - Step 2: Convert to fraction form
7,161,448.91/9,882,925.49 = 3,898,357.43/x - Step 3: Cross multiply
7,161,448.91x = 9,882,925.49 × 3,898,357.43 - Step 4: Simplify right side
7,161,448.91x = 38,527,175,974,409.16 - Step 5: Solve for x
x = 38,527,175,974,409.16/7,161,448.91 - Step 6: Final answer
x = 5,379,801.84
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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.