Finding the Fourth Proportional to 3,193,943.18, 4,407,708.29 and 1,743,699.74
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Solution
The fourth proportional to 3,193,943.18, 4,407,708.29 and 1,743,699.74 is: 2,406,342.05
Step by Step Solution
- Step 1: Write the proportion equation
3,193,943.18 : 4,407,708.29 = 1,743,699.74 : x - Step 2: Convert to fraction form
3,193,943.18/4,407,708.29 = 1,743,699.74/x - Step 3: Cross multiply
3,193,943.18x = 4,407,708.29 × 1,743,699.74 - Step 4: Simplify right side
3,193,943.18x = 7,685,719,768,511.81 - Step 5: Solve for x
x = 7,685,719,768,511.81/3,193,943.18 - Step 6: Final answer
x = 2,406,342.05
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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.