Finding the Fourth Proportional to 3,554,464.40, 5,328,197.40 and 1,757,625.20
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Solution
The fourth proportional to 3,554,464.40, 5,328,197.40 and 1,757,625.20 is: 2,634,707.50
Step by Step Solution
- Step 1: Write the proportion equation
3,554,464.40 : 5,328,197.40 = 1,757,625.20 : x - Step 2: Convert to fraction form
3,554,464.40/5,328,197.40 = 1,757,625.20/x - Step 3: Cross multiply
3,554,464.40x = 5,328,197.40 × 1,757,625.20 - Step 4: Simplify right side
3,554,464.40x = 9,364,974,020,814.48 - Step 5: Solve for x
x = 9,364,974,020,814.48/3,554,464.40 - Step 6: Final answer
x = 2,634,707.50
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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.