Finding the Fourth Proportional to 1,383,519.96, 1,908,531.51 and 1,125,685.08
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Solution
The fourth proportional to 1,383,519.96, 1,908,531.51 and 1,125,685.08 is: 1,552,854.68
Step by Step Solution
- Step 1: Write the proportion equation
1,383,519.96 : 1,908,531.51 = 1,125,685.08 : x - Step 2: Convert to fraction form
1,383,519.96/1,908,531.51 = 1,125,685.08/x - Step 3: Cross multiply
1,383,519.96x = 1,908,531.51 × 1,125,685.08 - Step 4: Simplify right side
1,383,519.96x = 2,148,405,445,516.87 - Step 5: Solve for x
x = 2,148,405,445,516.87/1,383,519.96 - Step 6: Final answer
x = 1,552,854.68
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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.