Finding the Fourth Proportional to 3,685,820.92, 5,089,026.36 and 2,585,591.44
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Solution
The fourth proportional to 3,685,820.92, 5,089,026.36 and 2,585,591.44 is: 3,569,935.51
Step by Step Solution
- Step 1: Write the proportion equation
3,685,820.92 : 5,089,026.36 = 2,585,591.44 : x - Step 2: Convert to fraction form
3,685,820.92/5,089,026.36 = 2,585,591.44/x - Step 3: Cross multiply
3,685,820.92x = 5,089,026.36 × 2,585,591.44 - Step 4: Simplify right side
3,685,820.92x = 13,158,142,994,350.36 - Step 5: Solve for x
x = 13,158,142,994,350.36/3,685,820.92 - Step 6: Final answer
x = 3,569,935.51
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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.