Finding the Fourth Proportional to 3,445,407.88, 5,167,717.84 and 921,259.96
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Solution
The fourth proportional to 3,445,407.88, 5,167,717.84 and 921,259.96 is: 1,381,784.59
Step by Step Solution
- Step 1: Write the proportion equation
3,445,407.88 : 5,167,717.84 = 921,259.96 : x - Step 2: Convert to fraction form
3,445,407.88/5,167,717.84 = 921,259.96/x - Step 3: Cross multiply
3,445,407.88x = 5,167,717.84 × 921,259.96 - Step 4: Simplify right side
3,445,407.88x = 4,760,811,530,569.69 - Step 5: Solve for x
x = 4,760,811,530,569.69/3,445,407.88 - Step 6: Final answer
x = 1,381,784.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.