Finding the Fourth Proportional to 3,337,630.79, 4,606,021.06 and 1,887,543.07
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Solution
The fourth proportional to 3,337,630.79, 4,606,021.06 and 1,887,543.07 is: 2,604,860.66
Step by Step Solution
- Step 1: Write the proportion equation
3,337,630.79 : 4,606,021.06 = 1,887,543.07 : x - Step 2: Convert to fraction form
3,337,630.79/4,606,021.06 = 1,887,543.07/x - Step 3: Cross multiply
3,337,630.79x = 4,606,021.06 × 1,887,543.07 - Step 4: Simplify right side
3,337,630.79x = 8,694,063,115,843.14 - Step 5: Solve for x
x = 8,694,063,115,843.14/3,337,630.79 - Step 6: Final answer
x = 2,604,860.66
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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.