Finding the Fourth Proportional to 3,623,992.98, 5,001,113.52 and 1,992,428.12
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Solution
The fourth proportional to 3,623,992.98, 5,001,113.52 and 1,992,428.12 is: 2,749,552.56
Step by Step Solution
- Step 1: Write the proportion equation
3,623,992.98 : 5,001,113.52 = 1,992,428.12 : x - Step 2: Convert to fraction form
3,623,992.98/5,001,113.52 = 1,992,428.12/x - Step 3: Cross multiply
3,623,992.98x = 5,001,113.52 × 1,992,428.12 - Step 4: Simplify right side
3,623,992.98x = 9,964,359,183,554.61 - Step 5: Solve for x
x = 9,964,359,183,554.61/3,623,992.98 - Step 6: Final answer
x = 2,749,552.56
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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.