Finding the Fourth Proportional to 4,765,843.10, 6,576,938.19 and 2,590,391.84
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Solution
The fourth proportional to 4,765,843.10, 6,576,938.19 and 2,590,391.84 is: 3,574,781.34
Step by Step Solution
- Step 1: Write the proportion equation
4,765,843.10 : 6,576,938.19 = 2,590,391.84 : x - Step 2: Convert to fraction form
4,765,843.10/6,576,938.19 = 2,590,391.84/x - Step 3: Cross multiply
4,765,843.10x = 6,576,938.19 × 2,590,391.84 - Step 4: Simplify right side
4,765,843.10x = 17,036,846,986,675.68 - Step 5: Solve for x
x = 17,036,846,986,675.68/4,765,843.10 - Step 6: Final answer
x = 3,574,781.34
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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.