Finding the Fourth Proportional to 1,544,686.36, 2,131,792.97 and 856,573.92
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Solution
The fourth proportional to 1,544,686.36, 2,131,792.97 and 856,573.92 is: 1,182,141.77
Step by Step Solution
- Step 1: Write the proportion equation
1,544,686.36 : 2,131,792.97 = 856,573.92 : x - Step 2: Convert to fraction form
1,544,686.36/2,131,792.97 = 856,573.92/x - Step 3: Cross multiply
1,544,686.36x = 2,131,792.97 × 856,573.92 - Step 4: Simplify right side
1,544,686.36x = 1,826,038,260,941.34 - Step 5: Solve for x
x = 1,826,038,260,941.34/1,544,686.36 - Step 6: Final answer
x = 1,182,141.77
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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.