Finding the Fourth Proportional to 4,390,495.71, 6,585,706.59 and 3,431,757.75
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Solution
The fourth proportional to 4,390,495.71, 6,585,706.59 and 3,431,757.75 is: 5,147,607.72
Step by Step Solution
- Step 1: Write the proportion equation
4,390,495.71 : 6,585,706.59 = 3,431,757.75 : x - Step 2: Convert to fraction form
4,390,495.71/6,585,706.59 = 3,431,757.75/x - Step 3: Cross multiply
4,390,495.71x = 6,585,706.59 × 3,431,757.75 - Step 4: Simplify right side
4,390,495.71x = 22,600,549,629,458.57 - Step 5: Solve for x
x = 22,600,549,629,458.57/4,390,495.71 - Step 6: Final answer
x = 5,147,607.72
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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.