Finding the Fourth Proportional to 3,179,021.58, 4,386,916.26 and 1,802,457.77
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Solution
The fourth proportional to 3,179,021.58, 4,386,916.26 and 1,802,457.77 is: 2,487,316.01
Step by Step Solution
- Step 1: Write the proportion equation
3,179,021.58 : 4,386,916.26 = 1,802,457.77 : x - Step 2: Convert to fraction form
3,179,021.58/4,386,916.26 = 1,802,457.77/x - Step 3: Cross multiply
3,179,021.58x = 4,386,916.26 × 1,802,457.77 - Step 4: Simplify right side
3,179,021.58x = 7,907,231,277,241.76 - Step 5: Solve for x
x = 7,907,231,277,241.76/3,179,021.58 - Step 6: Final answer
x = 2,487,316.01
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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.