Finding the Fourth Proportional to 6,528,229.90, 9,786,124.05 and 5,088,114.70
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Solution
The fourth proportional to 6,528,229.90, 9,786,124.05 and 5,088,114.70 is: 7,627,323.55
Step by Step Solution
- Step 1: Write the proportion equation
6,528,229.90 : 9,786,124.05 = 5,088,114.70 : x - Step 2: Convert to fraction form
6,528,229.90/9,786,124.05 = 5,088,114.70/x - Step 3: Cross multiply
6,528,229.90x = 9,786,124.05 × 5,088,114.70 - Step 4: Simplify right side
6,528,229.90x = 49,792,921,634,828.54 - Step 5: Solve for x
x = 49,792,921,634,828.54/6,528,229.90 - Step 6: Final answer
x = 7,627,323.55
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1.5x scale
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.