Finding the Fourth Proportional to 6,187,281.24, 8,538,319.61 and 3,433,808.73
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Solution
The fourth proportional to 6,187,281.24, 8,538,319.61 and 3,433,808.73 is: 4,738,584.73
Step by Step Solution
- Step 1: Write the proportion equation
6,187,281.24 : 8,538,319.61 = 3,433,808.73 : x - Step 2: Convert to fraction form
6,187,281.24/8,538,319.61 = 3,433,808.73/x - Step 3: Cross multiply
6,187,281.24x = 8,538,319.61 × 3,433,808.73 - Step 4: Simplify right side
6,187,281.24x = 29,318,956,399,179.15 - Step 5: Solve for x
x = 29,318,956,399,179.15/6,187,281.24 - Step 6: Final answer
x = 4,738,584.73
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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.