Finding the Fourth Proportional to 1,912,175.67, 2,638,702.26 and 1,052,568.03
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Solution
The fourth proportional to 1,912,175.67, 2,638,702.26 and 1,052,568.03 is: 1,452,488.75
Step by Step Solution
- Step 1: Write the proportion equation
1,912,175.67 : 2,638,702.26 = 1,052,568.03 : x - Step 2: Convert to fraction form
1,912,175.67/2,638,702.26 = 1,052,568.03/x - Step 3: Cross multiply
1,912,175.67x = 2,638,702.26 × 1,052,568.03 - Step 4: Simplify right side
1,912,175.67x = 2,777,413,639,564.75 - Step 5: Solve for x
x = 2,777,413,639,564.75/1,912,175.67 - Step 6: Final answer
x = 1,452,488.75
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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.