Finding the Fourth Proportional to 3,037,862.05, 4,558,051.20 and 1,331,123.60
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Solution
The fourth proportional to 3,037,862.05, 4,558,051.20 and 1,331,123.60 is: 1,997,236.68
Step by Step Solution
- Step 1: Write the proportion equation
3,037,862.05 : 4,558,051.20 = 1,331,123.60 : x - Step 2: Convert to fraction form
3,037,862.05/4,558,051.20 = 1,331,123.60/x - Step 3: Cross multiply
3,037,862.05x = 4,558,051.20 × 1,331,123.60 - Step 4: Simplify right side
3,037,862.05x = 6,067,329,522,328.32 - Step 5: Solve for x
x = 6,067,329,522,328.32/3,037,862.05 - Step 6: Final answer
x = 1,997,236.68
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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.