Finding the Fourth Proportional to 2,486,080.88, 3,430,757.16 and 1,398,353.19
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Solution
The fourth proportional to 2,486,080.88, 3,430,757.16 and 1,398,353.19 is: 1,929,708.02
Step by Step Solution
- Step 1: Write the proportion equation
2,486,080.88 : 3,430,757.16 = 1,398,353.19 : x - Step 2: Convert to fraction form
2,486,080.88/3,430,757.16 = 1,398,353.19/x - Step 3: Cross multiply
2,486,080.88x = 3,430,757.16 × 1,398,353.19 - Step 4: Simplify right side
2,486,080.88x = 4,797,410,211,809.57 - Step 5: Solve for x
x = 4,797,410,211,809.57/2,486,080.88 - Step 6: Final answer
x = 1,929,708.02
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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.