Finding the Fourth Proportional to 5,021,064.14, 7,531,169.61 and 1,987,605.23
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Solution
The fourth proportional to 5,021,064.14, 7,531,169.61 and 1,987,605.23 is: 2,981,238.97
Step by Step Solution
- Step 1: Write the proportion equation
5,021,064.14 : 7,531,169.61 = 1,987,605.23 : x - Step 2: Convert to fraction form
5,021,064.14/7,531,169.61 = 1,987,605.23/x - Step 3: Cross multiply
5,021,064.14x = 7,531,169.61 × 1,987,605.23 - Step 4: Simplify right side
5,021,064.14x = 14,968,992,104,853.06 - Step 5: Solve for x
x = 14,968,992,104,853.06/5,021,064.14 - Step 6: Final answer
x = 2,981,238.97
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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.