Finding the Fourth Proportional to 5,358,179.20, 8,037,268.80 and 1,369,091.20
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Solution
The fourth proportional to 5,358,179.20, 8,037,268.80 and 1,369,091.20 is: 2,053,636.80
Step by Step Solution
- Step 1: Write the proportion equation
5,358,179.20 : 8,037,268.80 = 1,369,091.20 : x - Step 2: Convert to fraction form
5,358,179.20/8,037,268.80 = 1,369,091.20/x - Step 3: Cross multiply
5,358,179.20x = 8,037,268.80 × 1,369,091.20 - Step 4: Simplify right side
5,358,179.20x = 11,003,753,986,114.56 - Step 5: Solve for x
x = 11,003,753,986,114.56/5,358,179.20 - Step 6: Final answer
x = 2,053,636.80
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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.