Finding the Fourth Proportional to 2,874,598.65, 4,314,888.69 and 2,117,295.22
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Solution
The fourth proportional to 2,874,598.65, 4,314,888.69 and 2,117,295.22 is: 3,178,145.65
Step by Step Solution
- Step 1: Write the proportion equation
2,874,598.65 : 4,314,888.69 = 2,117,295.22 : x - Step 2: Convert to fraction form
2,874,598.65/4,314,888.69 = 2,117,295.22/x - Step 3: Cross multiply
2,874,598.65x = 4,314,888.69 × 2,117,295.22 - Step 4: Simplify right side
2,874,598.65x = 9,135,893,198,169.07 - Step 5: Solve for x
x = 9,135,893,198,169.07/2,874,598.65 - Step 6: Final answer
x = 3,178,145.65
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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.