Finding the Fourth Proportional to 2,785,534.17, 3,842,622.39 and 1,819,230.09
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Solution
The fourth proportional to 2,785,534.17, 3,842,622.39 and 1,819,230.09 is: 2,509,613.54
Step by Step Solution
- Step 1: Write the proportion equation
2,785,534.17 : 3,842,622.39 = 1,819,230.09 : x - Step 2: Convert to fraction form
2,785,534.17/3,842,622.39 = 1,819,230.09/x - Step 3: Cross multiply
2,785,534.17x = 3,842,622.39 × 1,819,230.09 - Step 4: Simplify right side
2,785,534.17x = 6,990,614,286,872.35 - Step 5: Solve for x
x = 6,990,614,286,872.35/2,785,534.17 - Step 6: Final answer
x = 2,509,613.54
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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.