Finding the Fourth Proportional to 2,543,670.37, 3,506,757.55 and 2,029,170.52
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Solution
The fourth proportional to 2,543,670.37, 3,506,757.55 and 2,029,170.52 is: 2,797,457.22
Step by Step Solution
- Step 1: Write the proportion equation
2,543,670.37 : 3,506,757.55 = 2,029,170.52 : x - Step 2: Convert to fraction form
2,543,670.37/3,506,757.55 = 2,029,170.52/x - Step 3: Cross multiply
2,543,670.37x = 3,506,757.55 × 2,029,170.52 - Step 4: Simplify right side
2,543,670.37x = 7,115,809,041,247.43 - Step 5: Solve for x
x = 7,115,809,041,247.43/2,543,670.37 - Step 6: Final answer
x = 2,797,457.22
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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.