Finding the Fourth Proportional to 2,865,859.91, 3,954,886.54 and 1,576,672.62
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Solution
The fourth proportional to 2,865,859.91, 3,954,886.54 and 1,576,672.62 is: 2,175,808.14
Step by Step Solution
- Step 1: Write the proportion equation
2,865,859.91 : 3,954,886.54 = 1,576,672.62 : x - Step 2: Convert to fraction form
2,865,859.91/3,954,886.54 = 1,576,672.62/x - Step 3: Cross multiply
2,865,859.91x = 3,954,886.54 × 1,576,672.62 - Step 4: Simplify right side
2,865,859.91x = 6,235,561,322,824.54 - Step 5: Solve for x
x = 6,235,561,322,824.54/2,865,859.91 - Step 6: Final answer
x = 2,175,808.14
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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.