Finding the Fourth Proportional to 1,553,324.96, 2,143,074.69 and 908,288.45
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Solution
The fourth proportional to 1,553,324.96, 2,143,074.69 and 908,288.45 is: 1,253,137.65
Step by Step Solution
- Step 1: Write the proportion equation
1,553,324.96 : 2,143,074.69 = 908,288.45 : x - Step 2: Convert to fraction form
1,553,324.96/2,143,074.69 = 908,288.45/x - Step 3: Cross multiply
1,553,324.96x = 2,143,074.69 × 908,288.45 - Step 4: Simplify right side
1,553,324.96x = 1,946,529,977,698.96 - Step 5: Solve for x
x = 1,946,529,977,698.96/1,553,324.96 - Step 6: Final answer
x = 1,253,137.65
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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.