Finding the Fourth Proportional to 2,986,622.64, 4,479,934.14 and 1,190,767.26
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Solution
The fourth proportional to 2,986,622.64, 4,479,934.14 and 1,190,767.26 is: 1,786,150.96
Step by Step Solution
- Step 1: Write the proportion equation
2,986,622.64 : 4,479,934.14 = 1,190,767.26 : x - Step 2: Convert to fraction form
2,986,622.64/4,479,934.14 = 1,190,767.26/x - Step 3: Cross multiply
2,986,622.64x = 4,479,934.14 × 1,190,767.26 - Step 4: Simplify right side
2,986,622.64x = 5,334,558,900,868.26 - Step 5: Solve for x
x = 5,334,558,900,868.26/2,986,622.64 - Step 6: Final answer
x = 1,786,150.96
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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.