Finding the Fourth Proportional to 3,193,446.57, 4,406,919.53 and 1,743,130.23
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Solution
The fourth proportional to 3,193,446.57, 4,406,919.53 and 1,743,130.23 is: 2,405,499.66
Step by Step Solution
- Step 1: Write the proportion equation
3,193,446.57 : 4,406,919.53 = 1,743,130.23 : x - Step 2: Convert to fraction form
3,193,446.57/4,406,919.53 = 1,743,130.23/x - Step 3: Cross multiply
3,193,446.57x = 4,406,919.53 × 1,743,130.23 - Step 4: Simplify right side
3,193,446.57x = 7,681,834,645,204.74 - Step 5: Solve for x
x = 7,681,834,645,204.74/3,193,446.57 - Step 6: Final answer
x = 2,405,499.66
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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.