Finding the Fourth Proportional to 2,089,512.35, 2,882,305.37 and 1,313,915.68
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Solution
The fourth proportional to 2,089,512.35, 2,882,305.37 and 1,313,915.68 is: 1,812,435.43
Step by Step Solution
- Step 1: Write the proportion equation
2,089,512.35 : 2,882,305.37 = 1,313,915.68 : x - Step 2: Convert to fraction form
2,089,512.35/2,882,305.37 = 1,313,915.68/x - Step 3: Cross multiply
2,089,512.35x = 2,882,305.37 × 1,313,915.68 - Step 4: Simplify right side
2,089,512.35x = 3,787,106,219,688.10 - Step 5: Solve for x
x = 3,787,106,219,688.10/2,089,512.35 - Step 6: Final answer
x = 1,812,435.43
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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.