Finding the Fourth Proportional to 5,390,778.19, 8,081,443.36 and 2,027,347.15
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Solution
The fourth proportional to 5,390,778.19, 8,081,443.36 and 2,027,347.15 is: 3,039,244.17
Step by Step Solution
- Step 1: Write the proportion equation
5,390,778.19 : 8,081,443.36 = 2,027,347.15 : x - Step 2: Convert to fraction form
5,390,778.19/8,081,443.36 = 2,027,347.15/x - Step 3: Cross multiply
5,390,778.19x = 8,081,443.36 × 2,027,347.15 - Step 4: Simplify right side
5,390,778.19x = 16,383,891,163,782.42 - Step 5: Solve for x
x = 16,383,891,163,782.42/5,390,778.19 - Step 6: Final answer
x = 3,039,244.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.