Finding the Fourth Proportional to 5,585,514.68, 7,708,338.24 and 4,206,423.80
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Solution
The fourth proportional to 5,585,514.68, 7,708,338.24 and 4,206,423.80 is: 5,805,111.85
Step by Step Solution
- Step 1: Write the proportion equation
5,585,514.68 : 7,708,338.24 = 4,206,423.80 : x - Step 2: Convert to fraction form
5,585,514.68/7,708,338.24 = 4,206,423.80/x - Step 3: Cross multiply
5,585,514.68x = 7,708,338.24 × 4,206,423.80 - Step 4: Simplify right side
5,585,514.68x = 32,424,537,431,186.11 - Step 5: Solve for x
x = 32,424,537,431,186.11/5,585,514.68 - Step 6: Final answer
x = 5,805,111.85
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1.5x scale
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.