Finding the Fourth Proportional to 4,138,269.20, 6,207,403.80 and 1,146,453.20
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Solution
The fourth proportional to 4,138,269.20, 6,207,403.80 and 1,146,453.20 is: 1,719,679.80
Step by Step Solution
- Step 1: Write the proportion equation
4,138,269.20 : 6,207,403.80 = 1,146,453.20 : x - Step 2: Convert to fraction form
4,138,269.20/6,207,403.80 = 1,146,453.20/x - Step 3: Cross multiply
4,138,269.20x = 6,207,403.80 × 1,146,453.20 - Step 4: Simplify right side
4,138,269.20x = 7,116,497,950,202.16 - Step 5: Solve for x
x = 7,116,497,950,202.16/4,138,269.20 - Step 6: Final answer
x = 1,719,679.80
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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.