Finding the Fourth Proportional to 2,738,674.32, 3,779,299.80 and 1,514,947.92
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Solution
The fourth proportional to 2,738,674.32, 3,779,299.80 and 1,514,947.92 is: 2,090,588.99
Step by Step Solution
- Step 1: Write the proportion equation
2,738,674.32 : 3,779,299.80 = 1,514,947.92 : x - Step 2: Convert to fraction form
2,738,674.32/3,779,299.80 = 1,514,947.92/x - Step 3: Cross multiply
2,738,674.32x = 3,779,299.80 × 1,514,947.92 - Step 4: Simplify right side
2,738,674.32x = 5,725,442,371,066.42 - Step 5: Solve for x
x = 5,725,442,371,066.42/2,738,674.32 - Step 6: Final answer
x = 2,090,588.99
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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.