Finding the Fourth Proportional to 5,694,856.21, 7,862,569.39 and 5,081,954.93
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Solution
The fourth proportional to 5,694,856.21, 7,862,569.39 and 5,081,954.93 is: 7,016,370.88
Step by Step Solution
- Step 1: Write the proportion equation
5,694,856.21 : 7,862,569.39 = 5,081,954.93 : x - Step 2: Convert to fraction form
5,694,856.21/7,862,569.39 = 5,081,954.93/x - Step 3: Cross multiply
5,694,856.21x = 7,862,569.39 × 5,081,954.93 - Step 4: Simplify right side
5,694,856.21x = 39,957,223,273,977.59 - Step 5: Solve for x
x = 39,957,223,273,977.59/5,694,856.21 - Step 6: Final answer
x = 7,016,370.88
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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.