Finding the Fourth Proportional to 2,957,907.68, 4,081,907.76 and 1,668,744.80
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Solution
The fourth proportional to 2,957,907.68, 4,081,907.76 and 1,668,744.80 is: 2,302,865.09
Step by Step Solution
- Step 1: Write the proportion equation
2,957,907.68 : 4,081,907.76 = 1,668,744.80 : x - Step 2: Convert to fraction form
2,957,907.68/4,081,907.76 = 1,668,744.80/x - Step 3: Cross multiply
2,957,907.68x = 4,081,907.76 × 1,668,744.80 - Step 4: Simplify right side
2,957,907.68x = 6,811,662,348,579.65 - Step 5: Solve for x
x = 6,811,662,348,579.65/2,957,907.68 - Step 6: Final answer
x = 2,302,865.09
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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.