Finding the Fourth Proportional to 5,328,629.12, 7,991,738.19 and 2,447,225.84
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Solution
The fourth proportional to 5,328,629.12, 7,991,738.19 and 2,447,225.84 is: 3,670,285.12
Step by Step Solution
- Step 1: Write the proportion equation
5,328,629.12 : 7,991,738.19 = 2,447,225.84 : x - Step 2: Convert to fraction form
5,328,629.12/7,991,738.19 = 2,447,225.84/x - Step 3: Cross multiply
5,328,629.12x = 7,991,738.19 × 2,447,225.84 - Step 4: Simplify right side
5,328,629.12x = 19,557,588,165,124.14 - Step 5: Solve for x
x = 19,557,588,165,124.14/5,328,629.12 - Step 6: Final answer
x = 3,670,285.12
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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.