Finding the Fourth Proportional to 2,090,834.70, 2,885,525.82 and 1,160,629.98
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Solution
The fourth proportional to 2,090,834.70, 2,885,525.82 and 1,160,629.98 is: 1,601,765.92
Step by Step Solution
- Step 1: Write the proportion equation
2,090,834.70 : 2,885,525.82 = 1,160,629.98 : x - Step 2: Convert to fraction form
2,090,834.70/2,885,525.82 = 1,160,629.98/x - Step 3: Cross multiply
2,090,834.70x = 2,885,525.82 × 1,160,629.98 - Step 4: Simplify right side
2,090,834.70x = 3,349,027,774,756.08 - Step 5: Solve for x
x = 3,349,027,774,756.08/2,090,834.70 - Step 6: Final answer
x = 1,601,765.92
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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.