Finding the Fourth Proportional to 2,646,730.55, 3,969,720.09 and 849,381.05
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Solution
The fourth proportional to 2,646,730.55, 3,969,720.09 and 849,381.05 is: 1,273,951.00
Step by Step Solution
- Step 1: Write the proportion equation
2,646,730.55 : 3,969,720.09 = 849,381.05 : x - Step 2: Convert to fraction form
2,646,730.55/3,969,720.09 = 849,381.05/x - Step 3: Cross multiply
2,646,730.55x = 3,969,720.09 × 849,381.05 - Step 4: Simplify right side
2,646,730.55x = 3,371,805,028,174.60 - Step 5: Solve for x
x = 3,371,805,028,174.60/2,646,730.55 - Step 6: Final answer
x = 1,273,951.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.