Finding the Fourth Proportional to 3,219,636.96, 4,440,849.84 and 2,732,844.24
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Solution
The fourth proportional to 3,219,636.96, 4,440,849.84 and 2,732,844.24 is: 3,769,415.95
Step by Step Solution
- Step 1: Write the proportion equation
3,219,636.96 : 4,440,849.84 = 2,732,844.24 : x - Step 2: Convert to fraction form
3,219,636.96/4,440,849.84 = 2,732,844.24/x - Step 3: Cross multiply
3,219,636.96x = 4,440,849.84 × 2,732,844.24 - Step 4: Simplify right side
3,219,636.96x = 12,136,150,905,948.92 - Step 5: Solve for x
x = 12,136,150,905,948.92/3,219,636.96 - Step 6: Final answer
x = 3,769,415.95
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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.