Finding the Fourth Proportional to 2,865,639.44, 3,954,426.30 and 1,576,271.72
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Solution
The fourth proportional to 2,865,639.44, 3,954,426.30 and 1,576,271.72 is: 2,175,169.09
Step by Step Solution
- Step 1: Write the proportion equation
2,865,639.44 : 3,954,426.30 = 1,576,271.72 : x - Step 2: Convert to fraction form
2,865,639.44/3,954,426.30 = 1,576,271.72/x - Step 3: Cross multiply
2,865,639.44x = 3,954,426.30 × 1,576,271.72 - Step 4: Simplify right side
2,865,639.44x = 6,233,250,345,514.24 - Step 5: Solve for x
x = 6,233,250,345,514.24/2,865,639.44 - Step 6: Final answer
x = 2,175,169.09
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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.