Finding the Fourth Proportional to 5,149,336.65, 7,106,417.40 and 2,857,497.33
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Solution
The fourth proportional to 5,149,336.65, 7,106,417.40 and 2,857,497.33 is: 3,943,531.01
Step by Step Solution
- Step 1: Write the proportion equation
5,149,336.65 : 7,106,417.40 = 2,857,497.33 : x - Step 2: Convert to fraction form
5,149,336.65/7,106,417.40 = 2,857,497.33/x - Step 3: Cross multiply
5,149,336.65x = 7,106,417.40 × 2,857,497.33 - Step 4: Simplify right side
5,149,336.65x = 20,306,568,746,365.54 - Step 5: Solve for x
x = 20,306,568,746,365.54/5,149,336.65 - Step 6: Final answer
x = 3,943,531.01
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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.