Finding the Fourth Proportional to 4,678,363.70, 7,017,545.55 and 4,398,427.70
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Solution
The fourth proportional to 4,678,363.70, 7,017,545.55 and 4,398,427.70 is: 6,597,641.55
Step by Step Solution
- Step 1: Write the proportion equation
4,678,363.70 : 7,017,545.55 = 4,398,427.70 : x - Step 2: Convert to fraction form
4,678,363.70/7,017,545.55 = 4,398,427.70/x - Step 3: Cross multiply
4,678,363.70x = 7,017,545.55 × 4,398,427.70 - Step 4: Simplify right side
4,678,363.70x = 30,866,166,733,131.73 - Step 5: Solve for x
x = 30,866,166,733,131.73/4,678,363.70 - Step 6: Final answer
x = 6,597,641.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.