Finding the Fourth Proportional to 4,315,409.60, 6,474,928.80 and 2,318,532.80
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Solution
The fourth proportional to 4,315,409.60, 6,474,928.80 and 2,318,532.80 is: 3,478,774.02
Step by Step Solution
- Step 1: Write the proportion equation
4,315,409.60 : 6,474,928.80 = 2,318,532.80 : x - Step 2: Convert to fraction form
4,315,409.60/6,474,928.80 = 2,318,532.80/x - Step 3: Cross multiply
4,315,409.60x = 6,474,928.80 × 2,318,532.80 - Step 4: Simplify right side
4,315,409.60x = 15,012,334,800,464.64 - Step 5: Solve for x
x = 15,012,334,800,464.64/4,315,409.60 - Step 6: Final answer
x = 3,478,774.02
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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.