Finding the Fourth Proportional to 4,286,283.06, 6,431,223.78 and 2,668,404.84
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Solution
The fourth proportional to 4,286,283.06, 6,431,223.78 and 2,668,404.84 is: 4,003,727.34
Step by Step Solution
- Step 1: Write the proportion equation
4,286,283.06 : 6,431,223.78 = 2,668,404.84 : x - Step 2: Convert to fraction form
4,286,283.06/6,431,223.78 = 2,668,404.84/x - Step 3: Cross multiply
4,286,283.06x = 6,431,223.78 × 2,668,404.84 - Step 4: Simplify right side
4,286,283.06x = 17,161,108,661,675.10 - Step 5: Solve for x
x = 17,161,108,661,675.10/4,286,283.06 - Step 6: Final answer
x = 4,003,727.34
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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.