Finding the Fourth Proportional to 2,865,863.98, 3,954,892.15 and 1,576,676.70
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Solution
The fourth proportional to 2,865,863.98, 3,954,892.15 and 1,576,676.70 is: 2,175,813.77
Step by Step Solution
- Step 1: Write the proportion equation
2,865,863.98 : 3,954,892.15 = 1,576,676.70 : x - Step 2: Convert to fraction form
2,865,863.98/3,954,892.15 = 1,576,676.70/x - Step 3: Cross multiply
2,865,863.98x = 3,954,892.15 × 1,576,676.70 - Step 4: Simplify right side
2,865,863.98x = 6,235,586,303,917.90 - Step 5: Solve for x
x = 6,235,586,303,917.90/2,865,863.98 - Step 6: Final answer
x = 2,175,813.77
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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.