Finding the Fourth Proportional to 1,820,745.96, 2,512,629.41 and 1,015,929.96
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Solution
The fourth proportional to 1,820,745.96, 2,512,629.41 and 1,015,929.96 is: 1,401,983.34
Step by Step Solution
- Step 1: Write the proportion equation
1,820,745.96 : 2,512,629.41 = 1,015,929.96 : x - Step 2: Convert to fraction form
1,820,745.96/2,512,629.41 = 1,015,929.96/x - Step 3: Cross multiply
1,820,745.96x = 2,512,629.41 × 1,015,929.96 - Step 4: Simplify right side
1,820,745.96x = 2,552,655,498,535.95 - Step 5: Solve for x
x = 2,552,655,498,535.95/1,820,745.96 - Step 6: Final answer
x = 1,401,983.34
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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.