Finding the Fourth Proportional to 4,794,875.72, 6,616,932.96 and 2,619,455.21
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Solution
The fourth proportional to 4,794,875.72, 6,616,932.96 and 2,619,455.21 is: 3,614,850.63
Step by Step Solution
- Step 1: Write the proportion equation
4,794,875.72 : 6,616,932.96 = 2,619,455.21 : x - Step 2: Convert to fraction form
4,794,875.72/6,616,932.96 = 2,619,455.21/x - Step 3: Cross multiply
4,794,875.72x = 6,616,932.96 × 2,619,455.21 - Step 4: Simplify right side
4,794,875.72x = 17,332,759,516,292.72 - Step 5: Solve for x
x = 17,332,759,516,292.72/4,794,875.72 - Step 6: Final answer
x = 3,614,850.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.