Finding the Fourth Proportional to 2,531,678.99, 3,493,721.24 and 1,370,126.27
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Solution
The fourth proportional to 2,531,678.99, 3,493,721.24 and 1,370,126.27 is: 1,890,776.55
Step by Step Solution
- Step 1: Write the proportion equation
2,531,678.99 : 3,493,721.24 = 1,370,126.27 : x - Step 2: Convert to fraction form
2,531,678.99/3,493,721.24 = 1,370,126.27/x - Step 3: Cross multiply
2,531,678.99x = 3,493,721.24 × 1,370,126.27 - Step 4: Simplify right side
2,531,678.99x = 4,786,839,252,864.65 - Step 5: Solve for x
x = 4,786,839,252,864.65/2,531,678.99 - Step 6: Final answer
x = 1,890,776.55
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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.