Finding the Fourth Proportional to 4,909,468.70, 7,364,203.05 and 2,783,704.70
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Solution
The fourth proportional to 4,909,468.70, 7,364,203.05 and 2,783,704.70 is: 4,175,557.05
Step by Step Solution
- Step 1: Write the proportion equation
4,909,468.70 : 7,364,203.05 = 2,783,704.70 : x - Step 2: Convert to fraction form
4,909,468.70/7,364,203.05 = 2,783,704.70/x - Step 3: Cross multiply
4,909,468.70x = 7,364,203.05 × 2,783,704.70 - Step 4: Simplify right side
4,909,468.70x = 20,499,766,642,039.34 - Step 5: Solve for x
x = 20,499,766,642,039.34/4,909,468.70 - Step 6: Final answer
x = 4,175,557.05
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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.