Finding the Fourth Proportional to 2,728,512.63, 4,092,070.80 and 808,974.99
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Solution
The fourth proportional to 2,728,512.63, 4,092,070.80 and 808,974.99 is: 1,213,255.49
Step by Step Solution
- Step 1: Write the proportion equation
2,728,512.63 : 4,092,070.80 = 808,974.99 : x - Step 2: Convert to fraction form
2,728,512.63/4,092,070.80 = 808,974.99/x - Step 3: Cross multiply
2,728,512.63x = 4,092,070.80 × 808,974.99 - Step 4: Simplify right side
2,728,512.63x = 3,310,382,934,509.29 - Step 5: Solve for x
x = 3,310,382,934,509.29/2,728,512.63 - Step 6: Final answer
x = 1,213,255.49
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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.