Finding the Fourth Proportional to 1,906,633.36, 2,631,175.68 and 1,047,213.64
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Solution
The fourth proportional to 1,906,633.36, 2,631,175.68 and 1,047,213.64 is: 1,445,166.71
Step by Step Solution
- Step 1: Write the proportion equation
1,906,633.36 : 2,631,175.68 = 1,047,213.64 : x - Step 2: Convert to fraction form
1,906,633.36/2,631,175.68 = 1,047,213.64/x - Step 3: Cross multiply
1,906,633.36x = 2,631,175.68 × 1,047,213.64 - Step 4: Simplify right side
1,906,633.36x = 2,755,403,061,332.28 - Step 5: Solve for x
x = 2,755,403,061,332.28/1,906,633.36 - Step 6: Final answer
x = 1,445,166.71
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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.