Finding the Fourth Proportional to 5,393,615.40, 8,090,423.10 and 4,852,405.80
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Solution
The fourth proportional to 5,393,615.40, 8,090,423.10 and 4,852,405.80 is: 7,278,608.70
Step by Step Solution
- Step 1: Write the proportion equation
5,393,615.40 : 8,090,423.10 = 4,852,405.80 : x - Step 2: Convert to fraction form
5,393,615.40/8,090,423.10 = 4,852,405.80/x - Step 3: Cross multiply
5,393,615.40x = 8,090,423.10 × 4,852,405.80 - Step 4: Simplify right side
5,393,615.40x = 39,258,015,974,893.98 - Step 5: Solve for x
x = 39,258,015,974,893.98/5,393,615.40 - Step 6: Final answer
x = 7,278,608.70
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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.