Finding the Fourth Proportional to 2,085,595.08, 3,129,575.94 and 1,126,037.84
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Solution
The fourth proportional to 2,085,595.08, 3,129,575.94 and 1,126,037.84 is: 1,689,695.65
Step by Step Solution
- Step 1: Write the proportion equation
2,085,595.08 : 3,129,575.94 = 1,126,037.84 : x - Step 2: Convert to fraction form
2,085,595.08/3,129,575.94 = 1,126,037.84/x - Step 3: Cross multiply
2,085,595.08x = 3,129,575.94 × 1,126,037.84 - Step 4: Simplify right side
2,085,595.08x = 3,524,020,931,593.57 - Step 5: Solve for x
x = 3,524,020,931,593.57/2,085,595.08 - Step 6: Final answer
x = 1,689,695.65
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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.