Finding the Fourth Proportional to 4,108,999.70, 5,670,586.68 and 2,273,428.28
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Solution
The fourth proportional to 4,108,999.70, 5,670,586.68 and 2,273,428.28 is: 3,137,423.48
Step by Step Solution
- Step 1: Write the proportion equation
4,108,999.70 : 5,670,586.68 = 2,273,428.28 : x - Step 2: Convert to fraction form
4,108,999.70/5,670,586.68 = 2,273,428.28/x - Step 3: Cross multiply
4,108,999.70x = 5,670,586.68 × 2,273,428.28 - Step 4: Simplify right side
4,108,999.70x = 12,891,672,122,503.31 - Step 5: Solve for x
x = 12,891,672,122,503.31/4,108,999.70 - Step 6: Final answer
x = 3,137,423.48
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1.5x scale
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.