Finding the Fourth Proportional to 3,112,213.30, 4,663,337.70 and 2,046,009.80
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Solution
The fourth proportional to 3,112,213.30, 4,663,337.70 and 2,046,009.80 is: 3,065,739.30
Step by Step Solution
- Step 1: Write the proportion equation
3,112,213.30 : 4,663,337.70 = 2,046,009.80 : x - Step 2: Convert to fraction form
3,112,213.30/4,663,337.70 = 2,046,009.80/x - Step 3: Cross multiply
3,112,213.30x = 4,663,337.70 × 2,046,009.80 - Step 4: Simplify right side
3,112,213.30x = 9,541,234,634,909.46 - Step 5: Solve for x
x = 9,541,234,634,909.46/3,112,213.30 - Step 6: Final answer
x = 3,065,739.30
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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.