Finding the Fourth Proportional to 2,808,099.75, 4,212,149.48 and 786,642.96
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Solution
The fourth proportional to 2,808,099.75, 4,212,149.48 and 786,642.96 is: 1,179,964.40
Step by Step Solution
- Step 1: Write the proportion equation
2,808,099.75 : 4,212,149.48 = 786,642.96 : x - Step 2: Convert to fraction form
2,808,099.75/4,212,149.48 = 786,642.96/x - Step 3: Cross multiply
2,808,099.75x = 4,212,149.48 × 786,642.96 - Step 4: Simplify right side
2,808,099.75x = 3,313,457,734,909.66 - Step 5: Solve for x
x = 3,313,457,734,909.66/2,808,099.75 - Step 6: Final answer
x = 1,179,964.40
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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.