Finding the Fourth Proportional to 4,328,180.36, 5,972,369.64 and 2,493,238.76
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Solution
The fourth proportional to 4,328,180.36, 5,972,369.64 and 2,493,238.76 is: 3,440,370.37
Step by Step Solution
- Step 1: Write the proportion equation
4,328,180.36 : 5,972,369.64 = 2,493,238.76 : x - Step 2: Convert to fraction form
4,328,180.36/5,972,369.64 = 2,493,238.76/x - Step 3: Cross multiply
4,328,180.36x = 5,972,369.64 × 2,493,238.76 - Step 4: Simplify right side
4,328,180.36x = 14,890,543,445,633.40 - Step 5: Solve for x
x = 14,890,543,445,633.40/4,328,180.36 - Step 6: Final answer
x = 3,440,370.37
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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.