Finding the Fourth Proportional to 5,063,026.59, 6,987,099.69 and 2,887,772.13
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Solution
The fourth proportional to 5,063,026.59, 6,987,099.69 and 2,887,772.13 is: 3,985,195.69
Step by Step Solution
- Step 1: Write the proportion equation
5,063,026.59 : 6,987,099.69 = 2,887,772.13 : x - Step 2: Convert to fraction form
5,063,026.59/6,987,099.69 = 2,887,772.13/x - Step 3: Cross multiply
5,063,026.59x = 6,987,099.69 × 2,887,772.13 - Step 4: Simplify right side
5,063,026.59x = 20,177,151,754,313.64 - Step 5: Solve for x
x = 20,177,151,754,313.64/5,063,026.59 - Step 6: Final answer
x = 3,985,195.69
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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.