Finding the Fourth Proportional to 4,678,048.84, 7,019,532.16 and 3,320,582.80
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Solution
The fourth proportional to 4,678,048.84, 7,019,532.16 and 3,320,582.80 is: 4,982,619.58
Step by Step Solution
- Step 1: Write the proportion equation
4,678,048.84 : 7,019,532.16 = 3,320,582.80 : x - Step 2: Convert to fraction form
4,678,048.84/7,019,532.16 = 3,320,582.80/x - Step 3: Cross multiply
4,678,048.84x = 7,019,532.16 × 3,320,582.80 - Step 4: Simplify right side
4,678,048.84x = 23,308,937,754,542.85 - Step 5: Solve for x
x = 23,308,937,754,542.85/4,678,048.84 - Step 6: Final answer
x = 4,982,619.58
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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.