Finding the Fourth Proportional to 6,436,730.60, 9,661,316.70 and 3,917,306.60
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Solution
The fourth proportional to 6,436,730.60, 9,661,316.70 and 3,917,306.60 is: 5,879,745.79
Step by Step Solution
- Step 1: Write the proportion equation
6,436,730.60 : 9,661,316.70 = 3,917,306.60 : x - Step 2: Convert to fraction form
6,436,730.60/9,661,316.70 = 3,917,306.60/x - Step 3: Cross multiply
6,436,730.60x = 9,661,316.70 × 3,917,306.60 - Step 4: Simplify right side
6,436,730.60x = 37,846,339,673,600.22 - Step 5: Solve for x
x = 37,846,339,673,600.22/6,436,730.60 - Step 6: Final answer
x = 5,879,745.79
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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.