Finding the Fourth Proportional to 5,018,235, 6,925,213.07 and 2,842,731.63
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Solution
The fourth proportional to 5,018,235, 6,925,213.07 and 2,842,731.63 is: 3,922,997.28
Step by Step Solution
- Step 1: Write the proportion equation
5,018,235 : 6,925,213.07 = 2,842,731.63 : x - Step 2: Convert to fraction form
5,018,235/6,925,213.07 = 2,842,731.63/x - Step 3: Cross multiply
5,018,235x = 6,925,213.07 × 2,842,731.63 - Step 4: Simplify right side
5,018,235x = 19,686,522,238,578.40 - Step 5: Solve for x
x = 19,686,522,238,578.40/5,018,235 - Step 6: Final answer
x = 3,922,997.28
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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.