Finding the Fourth Proportional to 4,271,713.80, 6,407,570.70 and 1,279,897.80
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Solution
The fourth proportional to 4,271,713.80, 6,407,570.70 and 1,279,897.80 is: 1,919,846.70
Step by Step Solution
- Step 1: Write the proportion equation
4,271,713.80 : 6,407,570.70 = 1,279,897.80 : x - Step 2: Convert to fraction form
4,271,713.80/6,407,570.70 = 1,279,897.80/x - Step 3: Cross multiply
4,271,713.80x = 6,407,570.70 × 1,279,897.80 - Step 4: Simplify right side
4,271,713.80x = 8,201,035,642,274.46 - Step 5: Solve for x
x = 8,201,035,642,274.46/4,271,713.80 - Step 6: Final answer
x = 1,919,846.70
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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.