Finding the Fourth Proportional to 7,720,307.31, 11,580,544.12 and 2,329,004.44
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Solution
The fourth proportional to 7,720,307.31, 11,580,544.12 and 2,329,004.44 is: 3,493,531.75
Step by Step Solution
- Step 1: Write the proportion equation
7,720,307.31 : 11,580,544.12 = 2,329,004.44 : x - Step 2: Convert to fraction form
7,720,307.31/11,580,544.12 = 2,329,004.44/x - Step 3: Cross multiply
7,720,307.31x = 11,580,544.12 × 2,329,004.44 - Step 4: Simplify right side
7,720,307.31x = 26,971,138,673,095.89 - Step 5: Solve for x
x = 26,971,138,673,095.89/7,720,307.31 - Step 6: Final answer
x = 3,493,531.75
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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.