Finding the Fourth Proportional to 3,650,328.64, 5,037,486.96 and 2,018,651.68
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Solution
The fourth proportional to 3,650,328.64, 5,037,486.96 and 2,018,651.68 is: 2,785,757.81
Step by Step Solution
- Step 1: Write the proportion equation
3,650,328.64 : 5,037,486.96 = 2,018,651.68 : x - Step 2: Convert to fraction form
3,650,328.64/5,037,486.96 = 2,018,651.68/x - Step 3: Cross multiply
3,650,328.64x = 5,037,486.96 × 2,018,651.68 - Step 4: Simplify right side
3,650,328.64x = 10,168,931,514,782.09 - Step 5: Solve for x
x = 10,168,931,514,782.09/3,650,328.64 - Step 6: Final answer
x = 2,785,757.81
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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.