Finding the Fourth Proportional to 5,275,418.09, 7,280,076.98 and 2,983,529.57
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Solution
The fourth proportional to 5,275,418.09, 7,280,076.98 and 2,983,529.57 is: 4,117,270.81
Step by Step Solution
- Step 1: Write the proportion equation
5,275,418.09 : 7,280,076.98 = 2,983,529.57 : x - Step 2: Convert to fraction form
5,275,418.09/7,280,076.98 = 2,983,529.57/x - Step 3: Cross multiply
5,275,418.09x = 7,280,076.98 × 2,983,529.57 - Step 4: Simplify right side
5,275,418.09x = 21,720,324,926,788.65 - Step 5: Solve for x
x = 21,720,324,926,788.65/5,275,418.09 - Step 6: Final answer
x = 4,117,270.81
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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.