Finding the Fourth Proportional to 1,917,265.59, 2,646,060.84 and 1,101,467.75
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Solution
The fourth proportional to 1,917,265.59, 2,646,060.84 and 1,101,467.75 is: 1,520,160.11
Step by Step Solution
- Step 1: Write the proportion equation
1,917,265.59 : 2,646,060.84 = 1,101,467.75 : x - Step 2: Convert to fraction form
1,917,265.59/2,646,060.84 = 1,101,467.75/x - Step 3: Cross multiply
1,917,265.59x = 2,646,060.84 × 1,101,467.75 - Step 4: Simplify right side
1,917,265.59x = 2,914,550,666,567.61 - Step 5: Solve for x
x = 2,914,550,666,567.61/1,917,265.59 - Step 6: Final answer
x = 1,520,160.11
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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.