Finding the Fourth Proportional to 4,907,063.87, 6,771,421.88 and 2,731,551.09
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Solution
The fourth proportional to 4,907,063.87, 6,771,421.88 and 2,731,551.09 is: 3,769,358.89
Step by Step Solution
- Step 1: Write the proportion equation
4,907,063.87 : 6,771,421.88 = 2,731,551.09 : x - Step 2: Convert to fraction form
4,907,063.87/6,771,421.88 = 2,731,551.09/x - Step 3: Cross multiply
4,907,063.87x = 6,771,421.88 × 2,731,551.09 - Step 4: Simplify right side
4,907,063.87x = 18,496,484,817,163.85 - Step 5: Solve for x
x = 18,496,484,817,163.85/4,907,063.87 - Step 6: Final answer
x = 3,769,358.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.