Finding the Fourth Proportional to 2,548,341.12, 3,516,640.08 and 1,445,973.24
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Solution
The fourth proportional to 2,548,341.12, 3,516,640.08 and 1,445,973.24 is: 1,995,402.97
Step by Step Solution
- Step 1: Write the proportion equation
2,548,341.12 : 3,516,640.08 = 1,445,973.24 : x - Step 2: Convert to fraction form
2,548,341.12/3,516,640.08 = 1,445,973.24/x - Step 3: Cross multiply
2,548,341.12x = 3,516,640.08 × 1,445,973.24 - Step 4: Simplify right side
2,548,341.12x = 5,084,967,450,391.46 - Step 5: Solve for x
x = 5,084,967,450,391.46/2,548,341.12 - Step 6: Final answer
x = 1,995,402.97
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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.