Finding the Fourth Proportional to 4,352,269.20, 6,528,403.80 and 4,186,381.20
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Solution
The fourth proportional to 4,352,269.20, 6,528,403.80 and 4,186,381.20 is: 6,279,571.80
Step by Step Solution
- Step 1: Write the proportion equation
4,352,269.20 : 6,528,403.80 = 4,186,381.20 : x - Step 2: Convert to fraction form
4,352,269.20/6,528,403.80 = 4,186,381.20/x - Step 3: Cross multiply
4,352,269.20x = 6,528,403.80 × 4,186,381.20 - Step 4: Simplify right side
4,352,269.20x = 27,330,386,934,328.56 - Step 5: Solve for x
x = 27,330,386,934,328.56/4,352,269.20 - Step 6: Final answer
x = 6,279,571.80
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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.