Finding the Fourth Proportional to 3,637,921.16, 5,020,114.36 and 2,089,434.96
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Solution
The fourth proportional to 3,637,921.16, 5,020,114.36 and 2,089,434.96 is: 2,883,295.70
Step by Step Solution
- Step 1: Write the proportion equation
3,637,921.16 : 5,020,114.36 = 2,089,434.96 : x - Step 2: Convert to fraction form
3,637,921.16/5,020,114.36 = 2,089,434.96/x - Step 3: Cross multiply
3,637,921.16x = 5,020,114.36 × 2,089,434.96 - Step 4: Simplify right side
3,637,921.16x = 10,489,202,446,982.03 - Step 5: Solve for x
x = 10,489,202,446,982.03/3,637,921.16 - Step 6: Final answer
x = 2,883,295.70
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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.