Finding the Fourth Proportional to 4,973,428.80, 7,463,829.60 and 3,289,972.80
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Solution
The fourth proportional to 4,973,428.80, 7,463,829.60 and 3,289,972.80 is: 4,937,397.79
Step by Step Solution
- Step 1: Write the proportion equation
4,973,428.80 : 7,463,829.60 = 3,289,972.80 : x - Step 2: Convert to fraction form
4,973,428.80/7,463,829.60 = 3,289,972.80/x - Step 3: Cross multiply
4,973,428.80x = 7,463,829.60 × 3,289,972.80 - Step 4: Simplify right side
4,973,428.80x = 24,555,796,367,834.88 - Step 5: Solve for x
x = 24,555,796,367,834.88/4,973,428.80 - Step 6: Final answer
x = 4,937,397.79
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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.