Finding the Fourth Proportional to 2,318,005.80, 3,477,008.70 and 2,199,907.80
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Solution
The fourth proportional to 2,318,005.80, 3,477,008.70 and 2,199,907.80 is: 3,299,861.70
Step by Step Solution
- Step 1: Write the proportion equation
2,318,005.80 : 3,477,008.70 = 2,199,907.80 : x - Step 2: Convert to fraction form
2,318,005.80/3,477,008.70 = 2,199,907.80/x - Step 3: Cross multiply
2,318,005.80x = 3,477,008.70 × 2,199,907.80 - Step 4: Simplify right side
2,318,005.80x = 7,649,098,559,797.86 - Step 5: Solve for x
x = 7,649,098,559,797.86/2,318,005.80 - Step 6: Final answer
x = 3,299,861.70
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1.5x scale
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.