Finding the Fourth Proportional to 1,613,037.39, 2,419,556.18 and 666,432.70
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Solution
The fourth proportional to 1,613,037.39, 2,419,556.18 and 666,432.70 is: 999,649.09
Step by Step Solution
- Step 1: Write the proportion equation
1,613,037.39 : 2,419,556.18 = 666,432.70 : x - Step 2: Convert to fraction form
1,613,037.39/2,419,556.18 = 666,432.70/x - Step 3: Cross multiply
1,613,037.39x = 2,419,556.18 × 666,432.70 - Step 4: Simplify right side
1,613,037.39x = 1,612,471,357,839.09 - Step 5: Solve for x
x = 1,612,471,357,839.09/1,613,037.39 - Step 6: Final answer
x = 999,649.09
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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.