Finding the Fourth Proportional to 4,207,305.38, 6,310,957.73 and 1,012,431.87
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Solution
The fourth proportional to 4,207,305.38, 6,310,957.73 and 1,012,431.87 is: 1,518,647.72
Step by Step Solution
- Step 1: Write the proportion equation
4,207,305.38 : 6,310,957.73 = 1,012,431.87 : x - Step 2: Convert to fraction form
4,207,305.38/6,310,957.73 = 1,012,431.87/x - Step 3: Cross multiply
4,207,305.38x = 6,310,957.73 × 1,012,431.87 - Step 4: Simplify right side
4,207,305.38x = 6,389,414,731,012.70 - Step 5: Solve for x
x = 6,389,414,731,012.70/4,207,305.38 - Step 6: Final answer
x = 1,518,647.72
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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.