Finding the Fourth Proportional to 3,167,649.78, 4,751,916.33 and 979,398.09
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Solution
The fourth proportional to 3,167,649.78, 4,751,916.33 and 979,398.09 is: 1,469,233.69
Step by Step Solution
- Step 1: Write the proportion equation
3,167,649.78 : 4,751,916.33 = 979,398.09 : x - Step 2: Convert to fraction form
3,167,649.78/4,751,916.33 = 979,398.09/x - Step 3: Cross multiply
3,167,649.78x = 4,751,916.33 × 979,398.09 - Step 4: Simplify right side
3,167,649.78x = 4,654,017,777,441.81 - Step 5: Solve for x
x = 4,654,017,777,441.81/3,167,649.78 - Step 6: Final answer
x = 1,469,233.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.