Finding the Fourth Proportional to 4,975,768.27, 6,868,678.87 and 3,345,121.40
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Solution
The fourth proportional to 4,975,768.27, 6,868,678.87 and 3,345,121.40 is: 4,617,691.87
Step by Step Solution
- Step 1: Write the proportion equation
4,975,768.27 : 6,868,678.87 = 3,345,121.40 : x - Step 2: Convert to fraction form
4,975,768.27/6,868,678.87 = 3,345,121.40/x - Step 3: Cross multiply
4,975,768.27x = 6,868,678.87 × 3,345,121.40 - Step 4: Simplify right side
4,975,768.27x = 22,976,564,677,764.82 - Step 5: Solve for x
x = 22,976,564,677,764.82/4,975,768.27 - Step 6: Final answer
x = 4,617,691.87
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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.