Finding the Fourth Proportional to 6,416,376.11, 9,621,361.70 and 2,097,863.81
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Solution
The fourth proportional to 6,416,376.11, 9,621,361.70 and 2,097,863.81 is: 3,145,748.65
Step by Step Solution
- Step 1: Write the proportion equation
6,416,376.11 : 9,621,361.70 = 2,097,863.81 : x - Step 2: Convert to fraction form
6,416,376.11/9,621,361.70 = 2,097,863.81/x - Step 3: Cross multiply
6,416,376.11x = 9,621,361.70 × 2,097,863.81 - Step 4: Simplify right side
6,416,376.11x = 20,184,306,502,860.76 - Step 5: Solve for x
x = 20,184,306,502,860.76/6,416,376.11 - Step 6: Final answer
x = 3,145,748.65
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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.