Finding the Fourth Proportional to 5,022,134.12, 6,930,623.94 and 2,730,303.56
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Solution
The fourth proportional to 5,022,134.12, 6,930,623.94 and 2,730,303.56 is: 3,767,861.78
Step by Step Solution
- Step 1: Write the proportion equation
5,022,134.12 : 6,930,623.94 = 2,730,303.56 : x - Step 2: Convert to fraction form
5,022,134.12/6,930,623.94 = 2,730,303.56/x - Step 3: Cross multiply
5,022,134.12x = 6,930,623.94 × 2,730,303.56 - Step 4: Simplify right side
5,022,134.12x = 18,922,707,216,403.23 - Step 5: Solve for x
x = 18,922,707,216,403.23/5,022,134.12 - Step 6: Final answer
x = 3,767,861.78
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1.5x scale
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.