Finding the Fourth Proportional to 3,625,319.57, 5,002,841.21 and 1,993,726.44
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Solution
The fourth proportional to 3,625,319.57, 5,002,841.21 and 1,993,726.44 is: 2,751,287.61
Step by Step Solution
- Step 1: Write the proportion equation
3,625,319.57 : 5,002,841.21 = 1,993,726.44 : x - Step 2: Convert to fraction form
3,625,319.57/5,002,841.21 = 1,993,726.44/x - Step 3: Cross multiply
3,625,319.57x = 5,002,841.21 × 1,993,726.44 - Step 4: Simplify right side
3,625,319.57x = 9,974,296,785,529.96 - Step 5: Solve for x
x = 9,974,296,785,529.96/3,625,319.57 - Step 6: Final answer
x = 2,751,287.61
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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.