Finding the Fourth Proportional to 3,162,130.64, 4,371,094.70 and 2,821,344
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Solution
The fourth proportional to 3,162,130.64, 4,371,094.70 and 2,821,344 is: 3,900,016.54
Step by Step Solution
- Step 1: Write the proportion equation
3,162,130.64 : 4,371,094.70 = 2,821,344 : x - Step 2: Convert to fraction form
3,162,130.64/4,371,094.70 = 2,821,344/x - Step 3: Cross multiply
3,162,130.64x = 4,371,094.70 × 2,821,344 - Step 4: Simplify right side
3,162,130.64x = 12,332,361,805,276.80 - Step 5: Solve for x
x = 12,332,361,805,276.80/3,162,130.64 - Step 6: Final answer
x = 3,900,016.54
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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.