Finding the Fourth Proportional to 4,992,477.68, 7,488,716.48 and 1,205,960.54
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Solution
The fourth proportional to 4,992,477.68, 7,488,716.48 and 1,205,960.54 is: 1,808,940.80
Step by Step Solution
- Step 1: Write the proportion equation
4,992,477.68 : 7,488,716.48 = 1,205,960.54 : x - Step 2: Convert to fraction form
4,992,477.68/7,488,716.48 = 1,205,960.54/x - Step 3: Cross multiply
4,992,477.68x = 7,488,716.48 × 1,205,960.54 - Step 4: Simplify right side
4,992,477.68x = 9,031,096,570,127.70 - Step 5: Solve for x
x = 9,031,096,570,127.70/4,992,477.68 - Step 6: Final answer
x = 1,808,940.80
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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.