Finding the Fourth Proportional to 4,124,276.70, 6,186,415.05 and 2,780,583.90
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Solution
The fourth proportional to 4,124,276.70, 6,186,415.05 and 2,780,583.90 is: 4,170,875.85
Step by Step Solution
- Step 1: Write the proportion equation
4,124,276.70 : 6,186,415.05 = 2,780,583.90 : x - Step 2: Convert to fraction form
4,124,276.70/6,186,415.05 = 2,780,583.90/x - Step 3: Cross multiply
4,124,276.70x = 6,186,415.05 × 2,780,583.90 - Step 4: Simplify right side
4,124,276.70x = 17,201,846,086,747.69 - Step 5: Solve for x
x = 17,201,846,086,747.69/4,124,276.70 - Step 6: Final answer
x = 4,170,875.85
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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.