Finding the Fourth Proportional to 5,861,908.87, 8,089,883.02 and 3,688,315.18
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Solution
The fourth proportional to 5,861,908.87, 8,089,883.02 and 3,688,315.18 is: 5,090,157.32
Step by Step Solution
- Step 1: Write the proportion equation
5,861,908.87 : 8,089,883.02 = 3,688,315.18 : x - Step 2: Convert to fraction form
5,861,908.87/8,089,883.02 = 3,688,315.18/x - Step 3: Cross multiply
5,861,908.87x = 8,089,883.02 × 3,688,315.18 - Step 4: Simplify right side
5,861,908.87x = 29,838,038,347,090.24 - Step 5: Solve for x
x = 29,838,038,347,090.24/5,861,908.87 - Step 6: Final answer
x = 5,090,157.32
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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.