Finding the Fourth Proportional to 2,971,378.56, 4,084,715.36 and 2,556,389.94
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Solution
The fourth proportional to 2,971,378.56, 4,084,715.36 and 2,556,389.94 is: 3,514,235.91
Step by Step Solution
- Step 1: Write the proportion equation
2,971,378.56 : 4,084,715.36 = 2,556,389.94 : x - Step 2: Convert to fraction form
2,971,378.56/4,084,715.36 = 2,556,389.94/x - Step 3: Cross multiply
2,971,378.56x = 4,084,715.36 × 2,556,389.94 - Step 4: Simplify right side
2,971,378.56x = 10,442,125,241,285.53 - Step 5: Solve for x
x = 10,442,125,241,285.53/2,971,378.56 - Step 6: Final answer
x = 3,514,235.91
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.