Finding the Fourth Proportional to 4,953,780.23, 6,833,313.42 and 3,115,322.42
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Solution
The fourth proportional to 4,953,780.23, 6,833,313.42 and 3,115,322.42 is: 4,297,319.12
Step by Step Solution
- Step 1: Write the proportion equation
4,953,780.23 : 6,833,313.42 = 3,115,322.42 : x - Step 2: Convert to fraction form
4,953,780.23/6,833,313.42 = 3,115,322.42/x - Step 3: Cross multiply
4,953,780.23x = 6,833,313.42 × 3,115,322.42 - Step 4: Simplify right side
4,953,780.23x = 21,287,974,466,046.31 - Step 5: Solve for x
x = 21,287,974,466,046.31/4,953,780.23 - Step 6: Final answer
x = 4,297,319.12
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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.