Finding the Fourth Proportional to 6,388,455.70, 8,816,193.54 and 3,487,853.98
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Solution
The fourth proportional to 6,388,455.70, 8,816,193.54 and 3,487,853.98 is: 4,813,306.56
Step by Step Solution
- Step 1: Write the proportion equation
6,388,455.70 : 8,816,193.54 = 3,487,853.98 : x - Step 2: Convert to fraction form
6,388,455.70/8,816,193.54 = 3,487,853.98/x - Step 3: Cross multiply
6,388,455.70x = 8,816,193.54 × 3,487,853.98 - Step 4: Simplify right side
6,388,455.70x = 30,749,595,726,939.29 - Step 5: Solve for x
x = 30,749,595,726,939.29/6,388,455.70 - Step 6: Final answer
x = 4,813,306.56
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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.