Finding the Fourth Proportional to 1,635,261.36, 2,256,638.16 and 910,108.94
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Solution
The fourth proportional to 1,635,261.36, 2,256,638.16 and 910,108.94 is: 1,255,937.81
Step by Step Solution
- Step 1: Write the proportion equation
1,635,261.36 : 2,256,638.16 = 910,108.94 : x - Step 2: Convert to fraction form
1,635,261.36/2,256,638.16 = 910,108.94/x - Step 3: Cross multiply
1,635,261.36x = 2,256,638.16 × 910,108.94 - Step 4: Simplify right side
1,635,261.36x = 2,053,786,563,761.15 - Step 5: Solve for x
x = 2,053,786,563,761.15/1,635,261.36 - Step 6: Final answer
x = 1,255,937.81
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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.