Finding the Fourth Proportional to 3,541,745.68, 4,886,998.68 and 1,992,792.40
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Solution
The fourth proportional to 3,541,745.68, 4,886,998.68 and 1,992,792.40 is: 2,749,710.09
Step by Step Solution
- Step 1: Write the proportion equation
3,541,745.68 : 4,886,998.68 = 1,992,792.40 : x - Step 2: Convert to fraction form
3,541,745.68/4,886,998.68 = 1,992,792.40/x - Step 3: Cross multiply
3,541,745.68x = 4,886,998.68 × 1,992,792.40 - Step 4: Simplify right side
3,541,745.68x = 9,738,773,828,314.03 - Step 5: Solve for x
x = 9,738,773,828,314.03/3,541,745.68 - Step 6: Final answer
x = 2,749,710.09
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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.