Finding the Fourth Proportional to 3,176,855.40, 4,384,094.41 and 1,726,550.90
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Solution
The fourth proportional to 3,176,855.40, 4,384,094.41 and 1,726,550.90 is: 2,382,658.70
Step by Step Solution
- Step 1: Write the proportion equation
3,176,855.40 : 4,384,094.41 = 1,726,550.90 : x - Step 2: Convert to fraction form
3,176,855.40/4,384,094.41 = 1,726,550.90/x - Step 3: Cross multiply
3,176,855.40x = 4,384,094.41 × 1,726,550.90 - Step 4: Simplify right side
3,176,855.40x = 7,569,362,149,270.47 - Step 5: Solve for x
x = 7,569,362,149,270.47/3,176,855.40 - Step 6: Final answer
x = 2,382,658.70
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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.