Finding the Fourth Proportional to 2,114,312.13, 2,917,709.28 and 1,196,524.26
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Solution
The fourth proportional to 2,114,312.13, 2,917,709.28 and 1,196,524.26 is: 1,651,180.02
Step by Step Solution
- Step 1: Write the proportion equation
2,114,312.13 : 2,917,709.28 = 1,196,524.26 : x - Step 2: Convert to fraction form
2,114,312.13/2,917,709.28 = 1,196,524.26/x - Step 3: Cross multiply
2,114,312.13x = 2,917,709.28 × 1,196,524.26 - Step 4: Simplify right side
2,114,312.13x = 3,491,109,937,147.13 - Step 5: Solve for x
x = 3,491,109,937,147.13/2,114,312.13 - Step 6: Final answer
x = 1,651,180.02
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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.