Finding the Fourth Proportional to 1,543,488.14, 2,304,220.74 and 1,440,915.65
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Solution
The fourth proportional to 1,543,488.14, 2,304,220.74 and 1,440,915.65 is: 2,151,093.76
Step by Step Solution
- Step 1: Write the proportion equation
1,543,488.14 : 2,304,220.74 = 1,440,915.65 : x - Step 2: Convert to fraction form
1,543,488.14/2,304,220.74 = 1,440,915.65/x - Step 3: Cross multiply
1,543,488.14x = 2,304,220.74 × 1,440,915.65 - Step 4: Simplify right side
1,543,488.14x = 3,320,187,717,036.87 - Step 5: Solve for x
x = 3,320,187,717,036.87/1,543,488.14 - Step 6: Final answer
x = 2,151,093.76
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.