Finding the Fourth Proportional to 4,160,424.20, 6,230,138.70 and 3,320,616.20
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Solution
The fourth proportional to 4,160,424.20, 6,230,138.70 and 3,320,616.20 is: 4,972,545.71
Step by Step Solution
- Step 1: Write the proportion equation
4,160,424.20 : 6,230,138.70 = 3,320,616.20 : x - Step 2: Convert to fraction form
4,160,424.20/6,230,138.70 = 3,320,616.20/x - Step 3: Cross multiply
4,160,424.20x = 6,230,138.70 × 3,320,616.20 - Step 4: Simplify right side
4,160,424.20x = 20,687,899,495,466.94 - Step 5: Solve for x
x = 20,687,899,495,466.94/4,160,424.20 - Step 6: Final answer
x = 4,972,545.71
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1.5x scale
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.