Finding the Fourth Proportional to 3,615,852.93, 4,989,938.29 and 1,984,412.09
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Solution
The fourth proportional to 3,615,852.93, 4,989,938.29 and 1,984,412.09 is: 2,738,522.30
Step by Step Solution
- Step 1: Write the proportion equation
3,615,852.93 : 4,989,938.29 = 1,984,412.09 : x - Step 2: Convert to fraction form
3,615,852.93/4,989,938.29 = 1,984,412.09/x - Step 3: Cross multiply
3,615,852.93x = 4,989,938.29 × 1,984,412.09 - Step 4: Simplify right side
3,615,852.93x = 9,902,093,871,029.93 - Step 5: Solve for x
x = 9,902,093,871,029.93/3,615,852.93 - Step 6: Final answer
x = 2,738,522.30
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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.