Finding the Fourth Proportional to 1,687,251.68, 2,328,407.40 and 923,305.28
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Solution
The fourth proportional to 1,687,251.68, 2,328,407.40 and 923,305.28 is: 1,274,161.33
Step by Step Solution
- Step 1: Write the proportion equation
1,687,251.68 : 2,328,407.40 = 923,305.28 : x - Step 2: Convert to fraction form
1,687,251.68/2,328,407.40 = 923,305.28/x - Step 3: Cross multiply
1,687,251.68x = 2,328,407.40 × 923,305.28 - Step 4: Simplify right side
1,687,251.68x = 2,149,830,846,411.07 - Step 5: Solve for x
x = 2,149,830,846,411.07/1,687,251.68 - Step 6: Final answer
x = 1,274,161.33
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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.