Finding the Fourth Proportional to 3,464,077.62, 4,780,233.30 and 1,915,249.08
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Solution
The fourth proportional to 3,464,077.62, 4,780,233.30 and 1,915,249.08 is: 2,642,936.57
Step by Step Solution
- Step 1: Write the proportion equation
3,464,077.62 : 4,780,233.30 = 1,915,249.08 : x - Step 2: Convert to fraction form
3,464,077.62/4,780,233.30 = 1,915,249.08/x - Step 3: Cross multiply
3,464,077.62x = 4,780,233.30 × 1,915,249.08 - Step 4: Simplify right side
3,464,077.62x = 9,155,337,430,010.36 - Step 5: Solve for x
x = 9,155,337,430,010.36/3,464,077.62 - Step 6: Final answer
x = 2,642,936.57
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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.