Finding the Fourth Proportional to 2,140,163.68, 2,953,450.08 and 1,222,514.24
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Solution
The fourth proportional to 2,140,163.68, 2,953,450.08 and 1,222,514.24 is: 1,687,083.48
Step by Step Solution
- Step 1: Write the proportion equation
2,140,163.68 : 2,953,450.08 = 1,222,514.24 : x - Step 2: Convert to fraction form
2,140,163.68/2,953,450.08 = 1,222,514.24/x - Step 3: Cross multiply
2,140,163.68x = 2,953,450.08 × 1,222,514.24 - Step 4: Simplify right side
2,140,163.68x = 3,610,634,779,929.14 - Step 5: Solve for x
x = 3,610,634,779,929.14/2,140,163.68 - Step 6: Final answer
x = 1,687,083.48
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1.5x scale
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.