Finding the Fourth Proportional to 1,613,540.64, 2,420,288.80 and 549,324.84
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Solution
The fourth proportional to 1,613,540.64, 2,420,288.80 and 549,324.84 is: 823,979.72
Step by Step Solution
- Step 1: Write the proportion equation
1,613,540.64 : 2,420,288.80 = 549,324.84 : x - Step 2: Convert to fraction form
1,613,540.64/2,420,288.80 = 549,324.84/x - Step 3: Cross multiply
1,613,540.64x = 2,420,288.80 × 549,324.84 - Step 4: Simplify right side
1,613,540.64x = 1,329,524,757,813.79 - Step 5: Solve for x
x = 1,329,524,757,813.79/1,613,540.64 - Step 6: Final answer
x = 823,979.72
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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.