Finding the Fourth Proportional to 7,261,708.40, 10,892,562.60 and 6,127,967.60
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Solution
The fourth proportional to 7,261,708.40, 10,892,562.60 and 6,127,967.60 is: 9,191,951.40
Step by Step Solution
- Step 1: Write the proportion equation
7,261,708.40 : 10,892,562.60 = 6,127,967.60 : x - Step 2: Convert to fraction form
7,261,708.40/10,892,562.60 = 6,127,967.60/x - Step 3: Cross multiply
7,261,708.40x = 10,892,562.60 × 6,127,967.60 - Step 4: Simplify right side
7,261,708.40x = 66,749,270,693,771.75 - Step 5: Solve for x
x = 66,749,270,693,771.75/7,261,708.40 - Step 6: Final answer
x = 9,191,951.40
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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.