Finding the Fourth Proportional to 4,820,513.93, 7,230,660.62 and 1,226,285.12
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Solution
The fourth proportional to 4,820,513.93, 7,230,660.62 and 1,226,285.12 is: 1,839,399.63
Step by Step Solution
- Step 1: Write the proportion equation
4,820,513.93 : 7,230,660.62 = 1,226,285.12 : x - Step 2: Convert to fraction form
4,820,513.93/7,230,660.62 = 1,226,285.12/x - Step 3: Cross multiply
4,820,513.93x = 7,230,660.62 × 1,226,285.12 - Step 4: Simplify right side
4,820,513.93x = 8,866,851,519,944.55 - Step 5: Solve for x
x = 8,866,851,519,944.55/4,820,513.93 - Step 6: Final answer
x = 1,839,399.63
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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.