Finding the Fourth Proportional to 4,764,467.70, 7,146,701.55 and 1,923,117.30
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Solution
The fourth proportional to 4,764,467.70, 7,146,701.55 and 1,923,117.30 is: 2,884,675.95
Step by Step Solution
- Step 1: Write the proportion equation
4,764,467.70 : 7,146,701.55 = 1,923,117.30 : x - Step 2: Convert to fraction form
4,764,467.70/7,146,701.55 = 1,923,117.30/x - Step 3: Cross multiply
4,764,467.70x = 7,146,701.55 × 1,923,117.30 - Step 4: Simplify right side
4,764,467.70x = 13,743,945,388,741.81 - Step 5: Solve for x
x = 13,743,945,388,741.81/4,764,467.70 - Step 6: Final answer
x = 2,884,675.95
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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.