Finding the Fourth Proportional to 5,184,989.18, 7,155,246.36 and 2,861,881.22
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Solution
The fourth proportional to 5,184,989.18, 7,155,246.36 and 2,861,881.22 is: 3,949,374.72
Step by Step Solution
- Step 1: Write the proportion equation
5,184,989.18 : 7,155,246.36 = 2,861,881.22 : x - Step 2: Convert to fraction form
5,184,989.18/7,155,246.36 = 2,861,881.22/x - Step 3: Cross multiply
5,184,989.18x = 7,155,246.36 × 2,861,881.22 - Step 4: Simplify right side
5,184,989.18x = 20,477,465,182,157.36 - Step 5: Solve for x
x = 20,477,465,182,157.36/5,184,989.18 - Step 6: Final answer
x = 3,949,374.72
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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.