Finding the Fourth Proportional to 4,074,626.40, 6,111,939.60 and 2,639,735.70
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Solution
The fourth proportional to 4,074,626.40, 6,111,939.60 and 2,639,735.70 is: 3,959,603.55
Step by Step Solution
- Step 1: Write the proportion equation
4,074,626.40 : 6,111,939.60 = 2,639,735.70 : x - Step 2: Convert to fraction form
4,074,626.40/6,111,939.60 = 2,639,735.70/x - Step 3: Cross multiply
4,074,626.40x = 6,111,939.60 × 2,639,735.70 - Step 4: Simplify right side
4,074,626.40x = 16,133,905,158,363.72 - Step 5: Solve for x
x = 16,133,905,158,363.72/4,074,626.40 - Step 6: Final answer
x = 3,959,603.55
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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.