Finding the Fourth Proportional to 4,816,554.93, 7,219,774.94 and 1,620,571.55
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Solution
The fourth proportional to 4,816,554.93, 7,219,774.94 and 1,620,571.55 is: 2,429,155.69
Step by Step Solution
- Step 1: Write the proportion equation
4,816,554.93 : 7,219,774.94 = 1,620,571.55 : x - Step 2: Convert to fraction form
4,816,554.93/7,219,774.94 = 1,620,571.55/x - Step 3: Cross multiply
4,816,554.93x = 7,219,774.94 × 1,620,571.55 - Step 4: Simplify right side
4,816,554.93x = 11,700,161,820,965.22 - Step 5: Solve for x
x = 11,700,161,820,965.22/4,816,554.93 - Step 6: Final answer
x = 2,429,155.69
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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.