Finding the Fourth Proportional to 2,989,291.16, 4,125,211.69 and 1,682,542.46
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Solution
The fourth proportional to 2,989,291.16, 4,125,211.69 and 1,682,542.46 is: 2,321,902.90
Step by Step Solution
- Step 1: Write the proportion equation
2,989,291.16 : 4,125,211.69 = 1,682,542.46 : x - Step 2: Convert to fraction form
2,989,291.16/4,125,211.69 = 1,682,542.46/x - Step 3: Cross multiply
2,989,291.16x = 4,125,211.69 × 1,682,542.46 - Step 4: Simplify right side
2,989,291.16x = 6,940,843,831,020.03 - Step 5: Solve for x
x = 6,940,843,831,020.03/2,989,291.16 - Step 6: Final answer
x = 2,321,902.90
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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.