Finding the Fourth Proportional to 2,779,238.10, 4,169,193.40 and 981,753.74
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Solution
The fourth proportional to 2,779,238.10, 4,169,193.40 and 981,753.74 is: 1,472,749.38
Step by Step Solution
- Step 1: Write the proportion equation
2,779,238.10 : 4,169,193.40 = 981,753.74 : x - Step 2: Convert to fraction form
2,779,238.10/4,169,193.40 = 981,753.74/x - Step 3: Cross multiply
2,779,238.10x = 4,169,193.40 × 981,753.74 - Step 4: Simplify right side
2,779,238.10x = 4,093,121,192,387.35 - Step 5: Solve for x
x = 4,093,121,192,387.35/2,779,238.10 - Step 6: Final answer
x = 1,472,749.38
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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.