Finding the Fourth Proportional to 5,619,678, 8,428,805.96 and 1,781,537.68
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Solution
The fourth proportional to 5,619,678, 8,428,805.96 and 1,781,537.68 is: 2,672,081.11
Step by Step Solution
- Step 1: Write the proportion equation
5,619,678 : 8,428,805.96 = 1,781,537.68 : x - Step 2: Convert to fraction form
5,619,678/8,428,805.96 = 1,781,537.68/x - Step 3: Cross multiply
5,619,678x = 8,428,805.96 × 1,781,537.68 - Step 4: Simplify right side
5,619,678x = 15,016,235,415,148.57 - Step 5: Solve for x
x = 15,016,235,415,148.57/5,619,678 - Step 6: Final answer
x = 2,672,081.11
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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.