Finding the Fourth Proportional to 4,119,554.40, 6,170,000.40 and 2,439,938.40
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Solution
The fourth proportional to 4,119,554.40, 6,170,000.40 and 2,439,938.40 is: 3,654,380.90
Step by Step Solution
- Step 1: Write the proportion equation
4,119,554.40 : 6,170,000.40 = 2,439,938.40 : x - Step 2: Convert to fraction form
4,119,554.40/6,170,000.40 = 2,439,938.40/x - Step 3: Cross multiply
4,119,554.40x = 6,170,000.40 × 2,439,938.40 - Step 4: Simplify right side
4,119,554.40x = 15,054,420,903,975.36 - Step 5: Solve for x
x = 15,054,420,903,975.36/4,119,554.40 - Step 6: Final answer
x = 3,654,380.90
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1.5x scale
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.