Finding the Fourth Proportional to 2,991,159.40, 4,486,739.10 and 1,796,765.80
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Solution
The fourth proportional to 2,991,159.40, 4,486,739.10 and 1,796,765.80 is: 2,695,148.70
Step by Step Solution
- Step 1: Write the proportion equation
2,991,159.40 : 4,486,739.10 = 1,796,765.80 : x - Step 2: Convert to fraction form
2,991,159.40/4,486,739.10 = 1,796,765.80/x - Step 3: Cross multiply
2,991,159.40x = 4,486,739.10 × 1,796,765.80 - Step 4: Simplify right side
2,991,159.40x = 8,061,619,368,402.78 - Step 5: Solve for x
x = 8,061,619,368,402.78/2,991,159.40 - Step 6: Final answer
x = 2,695,148.70
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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.