Finding the Fourth Proportional to 4,127,715.20, 6,191,572.80 and 2,214,527.60
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Solution
The fourth proportional to 4,127,715.20, 6,191,572.80 and 2,214,527.60 is: 3,321,791.40
Step by Step Solution
- Step 1: Write the proportion equation
4,127,715.20 : 6,191,572.80 = 2,214,527.60 : x - Step 2: Convert to fraction form
4,127,715.20/6,191,572.80 = 2,214,527.60/x - Step 3: Cross multiply
4,127,715.20x = 6,191,572.80 × 2,214,527.60 - Step 4: Simplify right side
4,127,715.20x = 13,711,408,853,009.28 - Step 5: Solve for x
x = 13,711,408,853,009.28/4,127,715.20 - Step 6: Final answer
x = 3,321,791.40
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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.