Finding the Fourth Proportional to 2,243,963.12, 3,096,893.25 and 1,338,545.12
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Solution
The fourth proportional to 2,243,963.12, 3,096,893.25 and 1,338,545.12 is: 1,847,325.97
Step by Step Solution
- Step 1: Write the proportion equation
2,243,963.12 : 3,096,893.25 = 1,338,545.12 : x - Step 2: Convert to fraction form
2,243,963.12/3,096,893.25 = 1,338,545.12/x - Step 3: Cross multiply
2,243,963.12x = 3,096,893.25 × 1,338,545.12 - Step 4: Simplify right side
2,243,963.12x = 4,145,331,331,463.97 - Step 5: Solve for x
x = 4,145,331,331,463.97/2,243,963.12 - Step 6: Final answer
x = 1,847,325.97
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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.