Finding the Fourth Proportional to 3,553,437.80, 5,325,782.70 and 2,416,197.80
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Solution
The fourth proportional to 3,553,437.80, 5,325,782.70 and 2,416,197.80 is: 3,621,322.55
Step by Step Solution
- Step 1: Write the proportion equation
3,553,437.80 : 5,325,782.70 = 2,416,197.80 : x - Step 2: Convert to fraction form
3,553,437.80/5,325,782.70 = 2,416,197.80/x - Step 3: Cross multiply
3,553,437.80x = 5,325,782.70 × 2,416,197.80 - Step 4: Simplify right side
3,553,437.80x = 12,868,144,443,018.06 - Step 5: Solve for x
x = 12,868,144,443,018.06/3,553,437.80 - Step 6: Final answer
x = 3,621,322.55
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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.