Finding the Fourth Proportional to 2,477,599.20, 3,719,163.60 and 2,315,167.20
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Solution
The fourth proportional to 2,477,599.20, 3,719,163.60 and 2,315,167.20 is: 3,475,334.34
Step by Step Solution
- Step 1: Write the proportion equation
2,477,599.20 : 3,719,163.60 = 2,315,167.20 : x - Step 2: Convert to fraction form
2,477,599.20/3,719,163.60 = 2,315,167.20/x - Step 3: Cross multiply
2,477,599.20x = 3,719,163.60 × 2,315,167.20 - Step 4: Simplify right side
2,477,599.20x = 8,610,485,578,153.92 - Step 5: Solve for x
x = 8,610,485,578,153.92/2,477,599.20 - Step 6: Final answer
x = 3,475,334.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.