Finding the Fourth Proportional to 5,697,332.24, 7,860,172.16 and 3,738,291.75
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Solution
The fourth proportional to 5,697,332.24, 7,860,172.16 and 3,738,291.75 is: 5,157,434.31
Step by Step Solution
- Step 1: Write the proportion equation
5,697,332.24 : 7,860,172.16 = 3,738,291.75 : x - Step 2: Convert to fraction form
5,697,332.24/7,860,172.16 = 3,738,291.75/x - Step 3: Cross multiply
5,697,332.24x = 7,860,172.16 × 3,738,291.75 - Step 4: Simplify right side
5,697,332.24x = 29,383,616,748,653.41 - Step 5: Solve for x
x = 29,383,616,748,653.41/5,697,332.24 - Step 6: Final answer
x = 5,157,434.31
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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.