Finding the Fourth Proportional to 2,403,657.62, 3,317,048.26 and 1,315,998.28
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Solution
The fourth proportional to 2,403,657.62, 3,317,048.26 and 1,315,998.28 is: 1,816,078.03
Step by Step Solution
- Step 1: Write the proportion equation
2,403,657.62 : 3,317,048.26 = 1,315,998.28 : x - Step 2: Convert to fraction form
2,403,657.62/3,317,048.26 = 1,315,998.28/x - Step 3: Cross multiply
2,403,657.62x = 3,317,048.26 × 1,315,998.28 - Step 4: Simplify right side
2,403,657.62x = 4,365,229,788,251.75 - Step 5: Solve for x
x = 4,365,229,788,251.75/2,403,657.62 - Step 6: Final answer
x = 1,816,078.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.