Finding the Fourth Proportional to 2,865,825.62, 3,954,839.18 and 1,576,638.35
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Solution
The fourth proportional to 2,865,825.62, 3,954,839.18 and 1,576,638.35 is: 2,175,760.82
Step by Step Solution
- Step 1: Write the proportion equation
2,865,825.62 : 3,954,839.18 = 1,576,638.35 : x - Step 2: Convert to fraction form
2,865,825.62/3,954,839.18 = 1,576,638.35/x - Step 3: Cross multiply
2,865,825.62x = 3,954,839.18 × 1,576,638.35 - Step 4: Simplify right side
2,865,825.62x = 6,235,351,111,387.36 - Step 5: Solve for x
x = 6,235,351,111,387.36/2,865,825.62 - Step 6: Final answer
x = 2,175,760.82
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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.