Finding the Fourth Proportional to 1,494,718.12, 2,062,754.58 and 815,698.36
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Solution
The fourth proportional to 1,494,718.12, 2,062,754.58 and 815,698.36 is: 1,125,687.52
Step by Step Solution
- Step 1: Write the proportion equation
1,494,718.12 : 2,062,754.58 = 815,698.36 : x - Step 2: Convert to fraction form
1,494,718.12/2,062,754.58 = 815,698.36/x - Step 3: Cross multiply
1,494,718.12x = 2,062,754.58 × 815,698.36 - Step 4: Simplify right side
1,494,718.12x = 1,682,585,527,988.49 - Step 5: Solve for x
x = 1,682,585,527,988.49/1,494,718.12 - Step 6: Final answer
x = 1,125,687.52
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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.