Finding the Fourth Proportional to 2,865,859.28, 3,954,885.67 and 1,576,671.99
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Solution
The fourth proportional to 2,865,859.28, 3,954,885.67 and 1,576,671.99 is: 2,175,807.27
Step by Step Solution
- Step 1: Write the proportion equation
2,865,859.28 : 3,954,885.67 = 1,576,671.99 : x - Step 2: Convert to fraction form
2,865,859.28/3,954,885.67 = 1,576,671.99/x - Step 3: Cross multiply
2,865,859.28x = 3,954,885.67 × 1,576,671.99 - Step 4: Simplify right side
2,865,859.28x = 6,235,557,459,541.38 - Step 5: Solve for x
x = 6,235,557,459,541.38/2,865,859.28 - Step 6: Final answer
x = 2,175,807.27
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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.