Finding the Fourth Proportional to 3,631,998.81, 5,011,719.44 and 2,083,180.60
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Solution
The fourth proportional to 3,631,998.81, 5,011,719.44 and 2,083,180.60 is: 2,874,537.48
Step by Step Solution
- Step 1: Write the proportion equation
3,631,998.81 : 5,011,719.44 = 2,083,180.60 : x - Step 2: Convert to fraction form
3,631,998.81/5,011,719.44 = 2,083,180.60/x - Step 3: Cross multiply
3,631,998.81x = 5,011,719.44 × 2,083,180.60 - Step 4: Simplify right side
3,631,998.81x = 10,440,316,710,050.87 - Step 5: Solve for x
x = 10,440,316,710,050.87/3,631,998.81 - Step 6: Final answer
x = 2,874,537.48
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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.