Finding the Fourth Proportional to 1,988,163.93, 2,743,702.50 and 1,105,196
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Solution
The fourth proportional to 1,988,163.93, 2,743,702.50 and 1,105,196 is: 1,525,190.65
Step by Step Solution
- Step 1: Write the proportion equation
1,988,163.93 : 2,743,702.50 = 1,105,196 : x - Step 2: Convert to fraction form
1,988,163.93/2,743,702.50 = 1,105,196/x - Step 3: Cross multiply
1,988,163.93x = 2,743,702.50 × 1,105,196 - Step 4: Simplify right side
1,988,163.93x = 3,032,329,028,190 - Step 5: Solve for x
x = 3,032,329,028,190/1,988,163.93 - Step 6: Final answer
x = 1,525,190.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.