Finding the Fourth Proportional to 3,038,569.12, 4,192,759.58 and 1,749,160.36
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Solution
The fourth proportional to 3,038,569.12, 4,192,759.58 and 1,749,160.36 is: 2,413,573.15
Step by Step Solution
- Step 1: Write the proportion equation
3,038,569.12 : 4,192,759.58 = 1,749,160.36 : x - Step 2: Convert to fraction form
3,038,569.12/4,192,759.58 = 1,749,160.36/x - Step 3: Cross multiply
3,038,569.12x = 4,192,759.58 × 1,749,160.36 - Step 4: Simplify right side
3,038,569.12x = 7,333,808,856,346.25 - Step 5: Solve for x
x = 7,333,808,856,346.25/3,038,569.12 - Step 6: Final answer
x = 2,413,573.15
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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.