Finding the Fourth Proportional to 4,857,433.56, 6,703,282.71 and 2,681,980.92
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Solution
The fourth proportional to 4,857,433.56, 6,703,282.71 and 2,681,980.92 is: 3,701,147.14
Step by Step Solution
- Step 1: Write the proportion equation
4,857,433.56 : 6,703,282.71 = 2,681,980.92 : x - Step 2: Convert to fraction form
4,857,433.56/6,703,282.71 = 2,681,980.92/x - Step 3: Cross multiply
4,857,433.56x = 6,703,282.71 × 2,681,980.92 - Step 4: Simplify right side
4,857,433.56x = 17,978,076,329,585.89 - Step 5: Solve for x
x = 17,978,076,329,585.89/4,857,433.56 - Step 6: Final answer
x = 3,701,147.14
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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.