Finding the Fourth Proportional to 2,113,916.01, 2,917,195.34 and 1,255,183.17
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Solution
The fourth proportional to 2,113,916.01, 2,917,195.34 and 1,255,183.17 is: 1,732,147.57
Step by Step Solution
- Step 1: Write the proportion equation
2,113,916.01 : 2,917,195.34 = 1,255,183.17 : x - Step 2: Convert to fraction form
2,113,916.01/2,917,195.34 = 1,255,183.17/x - Step 3: Cross multiply
2,113,916.01x = 2,917,195.34 × 1,255,183.17 - Step 4: Simplify right side
2,113,916.01x = 3,661,614,477,155.03 - Step 5: Solve for x
x = 3,661,614,477,155.03/2,113,916.01 - Step 6: Final answer
x = 1,732,147.57
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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.