Finding the Fourth Proportional to 5,125,364.70, 7,073,016 and 2,802,407.12
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Solution
The fourth proportional to 5,125,364.70, 7,073,016 and 2,802,407.12 is: 3,867,328.78
Step by Step Solution
- Step 1: Write the proportion equation
5,125,364.70 : 7,073,016 = 2,802,407.12 : x - Step 2: Convert to fraction form
5,125,364.70/7,073,016 = 2,802,407.12/x - Step 3: Cross multiply
5,125,364.70x = 7,073,016 × 2,802,407.12 - Step 4: Simplify right side
5,125,364.70x = 19,821,470,398,273.92 - Step 5: Solve for x
x = 19,821,470,398,273.92/5,125,364.70 - Step 6: Final answer
x = 3,867,328.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.