Finding the Fourth Proportional to 5,357,849.68, 7,393,911.20 and 2,910,506.64
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Solution
The fourth proportional to 5,357,849.68, 7,393,911.20 and 2,910,506.64 is: 4,016,541.88
Step by Step Solution
- Step 1: Write the proportion equation
5,357,849.68 : 7,393,911.20 = 2,910,506.64 : x - Step 2: Convert to fraction form
5,357,849.68/7,393,911.20 = 2,910,506.64/x - Step 3: Cross multiply
5,357,849.68x = 7,393,911.20 × 2,910,506.64 - Step 4: Simplify right side
5,357,849.68x = 21,520,027,643,170.37 - Step 5: Solve for x
x = 21,520,027,643,170.37/5,357,849.68 - Step 6: Final answer
x = 4,016,541.88
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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.