Finding the Fourth Proportional to 2,618,790.45, 3,929,145.21 and 1,102,854.99
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Solution
The fourth proportional to 2,618,790.45, 3,929,145.21 and 1,102,854.99 is: 1,654,686.58
Step by Step Solution
- Step 1: Write the proportion equation
2,618,790.45 : 3,929,145.21 = 1,102,854.99 : x - Step 2: Convert to fraction form
2,618,790.45/3,929,145.21 = 1,102,854.99/x - Step 3: Cross multiply
2,618,790.45x = 3,929,145.21 × 1,102,854.99 - Step 4: Simplify right side
2,618,790.45x = 4,333,277,401,283.10 - Step 5: Solve for x
x = 4,333,277,401,283.10/2,618,790.45 - Step 6: Final answer
x = 1,654,686.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.