Finding the Fourth Proportional to 6,241,971.60, 9,348,960.60 and 5,122,227.60
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Solution
The fourth proportional to 6,241,971.60, 9,348,960.60 and 5,122,227.60 is: 7,671,855.48
Step by Step Solution
- Step 1: Write the proportion equation
6,241,971.60 : 9,348,960.60 = 5,122,227.60 : x - Step 2: Convert to fraction form
6,241,971.60/9,348,960.60 = 5,122,227.60/x - Step 3: Cross multiply
6,241,971.60x = 9,348,960.60 × 5,122,227.60 - Step 4: Simplify right side
6,241,971.60x = 47,887,504,016,632.55 - Step 5: Solve for x
x = 47,887,504,016,632.55/6,241,971.60 - Step 6: Final answer
x = 7,671,855.48
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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.