Finding the Fourth Proportional to 4,382,145.09, 6,047,673.15 and 2,421,980.98
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Solution
The fourth proportional to 4,382,145.09, 6,047,673.15 and 2,421,980.98 is: 3,342,506.70
Step by Step Solution
- Step 1: Write the proportion equation
4,382,145.09 : 6,047,673.15 = 2,421,980.98 : x - Step 2: Convert to fraction form
4,382,145.09/6,047,673.15 = 2,421,980.98/x - Step 3: Cross multiply
4,382,145.09x = 6,047,673.15 × 2,421,980.98 - Step 4: Simplify right side
4,382,145.09x = 14,647,349,342,556.69 - Step 5: Solve for x
x = 14,647,349,342,556.69/4,382,145.09 - Step 6: Final answer
x = 3,342,506.70
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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.