Finding the Fourth Proportional to 3,289,233.02, 4,538,911.12 and 1,912,479.04
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Solution
The fourth proportional to 3,289,233.02, 4,538,911.12 and 1,912,479.04 is: 2,639,087.09
Step by Step Solution
- Step 1: Write the proportion equation
3,289,233.02 : 4,538,911.12 = 1,912,479.04 : x - Step 2: Convert to fraction form
3,289,233.02/4,538,911.12 = 1,912,479.04/x - Step 3: Cross multiply
3,289,233.02x = 4,538,911.12 × 1,912,479.04 - Step 4: Simplify right side
3,289,233.02x = 8,680,572,405,838.75 - Step 5: Solve for x
x = 8,680,572,405,838.75/3,289,233.02 - Step 6: Final answer
x = 2,639,087.09
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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.