Finding the Fourth Proportional to 7,987,314.75, 11,980,971.53 and 1,922,047.11
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Solution
The fourth proportional to 7,987,314.75, 11,980,971.53 and 1,922,047.11 is: 2,883,070.52
Step by Step Solution
- Step 1: Write the proportion equation
7,987,314.75 : 11,980,971.53 = 1,922,047.11 : x - Step 2: Convert to fraction form
7,987,314.75/11,980,971.53 = 1,922,047.11/x - Step 3: Cross multiply
7,987,314.75x = 11,980,971.53 × 1,922,047.11 - Step 4: Simplify right side
7,987,314.75x = 23,027,991,701,826.22 - Step 5: Solve for x
x = 23,027,991,701,826.22/7,987,314.75 - Step 6: Final answer
x = 2,883,070.52
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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.