Finding the Fourth Proportional to 1,505,971.59, 2,078,240.81 and 826,908.09
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Solution
The fourth proportional to 1,505,971.59, 2,078,240.81 and 826,908.09 is: 1,141,133.17
Step by Step Solution
- Step 1: Write the proportion equation
1,505,971.59 : 2,078,240.81 = 826,908.09 : x - Step 2: Convert to fraction form
1,505,971.59/2,078,240.81 = 826,908.09/x - Step 3: Cross multiply
1,505,971.59x = 2,078,240.81 × 826,908.09 - Step 4: Simplify right side
1,505,971.59x = 1,718,514,138,757.15 - Step 5: Solve for x
x = 1,718,514,138,757.15/1,505,971.59 - Step 6: Final answer
x = 1,141,133.17
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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.