Finding the Fourth Proportional to 5,357,549.66, 7,393,556.12 and 2,910,300.75
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Solution
The fourth proportional to 5,357,549.66, 7,393,556.12 and 2,910,300.75 is: 4,016,289.78
Step by Step Solution
- Step 1: Write the proportion equation
5,357,549.66 : 7,393,556.12 = 2,910,300.75 : x - Step 2: Convert to fraction form
5,357,549.66/7,393,556.12 = 2,910,300.75/x - Step 3: Cross multiply
5,357,549.66x = 7,393,556.12 × 2,910,300.75 - Step 4: Simplify right side
5,357,549.66x = 21,517,471,906,651.59 - Step 5: Solve for x
x = 21,517,471,906,651.59/5,357,549.66 - Step 6: Final answer
x = 4,016,289.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.