Finding the Fourth Proportional to 3,490,558.80, 5,235,838.20 and 3,431,509.80
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Solution
The fourth proportional to 3,490,558.80, 5,235,838.20 and 3,431,509.80 is: 5,147,264.70
Step by Step Solution
- Step 1: Write the proportion equation
3,490,558.80 : 5,235,838.20 = 3,431,509.80 : x - Step 2: Convert to fraction form
3,490,558.80/5,235,838.20 = 3,431,509.80/x - Step 3: Cross multiply
3,490,558.80x = 5,235,838.20 × 3,431,509.80 - Step 4: Simplify right side
3,490,558.80x = 17,966,830,094,514.36 - Step 5: Solve for x
x = 17,966,830,094,514.36/3,490,558.80 - Step 6: Final answer
x = 5,147,264.70
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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.