Finding the Fourth Proportional to 6,452,872.64, 9,678,571.68 and 1,725,433.28
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Solution
The fourth proportional to 6,452,872.64, 9,678,571.68 and 1,725,433.28 is: 2,587,952.78
Step by Step Solution
- Step 1: Write the proportion equation
6,452,872.64 : 9,678,571.68 = 1,725,433.28 : x - Step 2: Convert to fraction form
6,452,872.64/9,678,571.68 = 1,725,433.28/x - Step 3: Cross multiply
6,452,872.64x = 9,678,571.68 × 1,725,433.28 - Step 4: Simplify right side
6,452,872.64x = 16,699,729,679,537.51 - Step 5: Solve for x
x = 16,699,729,679,537.51/6,452,872.64 - Step 6: Final answer
x = 2,587,952.78
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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.