Finding the Fourth Proportional to 2,553,352.31, 3,523,520.11 and 1,391,772.96
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Solution
The fourth proportional to 2,553,352.31, 3,523,520.11 and 1,391,772.96 is: 1,920,588.86
Step by Step Solution
- Step 1: Write the proportion equation
2,553,352.31 : 3,523,520.11 = 1,391,772.96 : x - Step 2: Convert to fraction form
2,553,352.31/3,523,520.11 = 1,391,772.96/x - Step 3: Cross multiply
2,553,352.31x = 3,523,520.11 × 1,391,772.96 - Step 4: Simplify right side
2,553,352.31x = 4,903,940,013,114.23 - Step 5: Solve for x
x = 4,903,940,013,114.23/2,553,352.31 - Step 6: Final answer
x = 1,920,588.86
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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.