Finding the Fourth Proportional to 2,081,893.04, 2,872,974.92 and 1,176,455.60
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Solution
The fourth proportional to 2,081,893.04, 2,872,974.92 and 1,176,455.60 is: 1,623,487.55
Step by Step Solution
- Step 1: Write the proportion equation
2,081,893.04 : 2,872,974.92 = 1,176,455.60 : x - Step 2: Convert to fraction form
2,081,893.04/2,872,974.92 = 1,176,455.60/x - Step 3: Cross multiply
2,081,893.04x = 2,872,974.92 × 1,176,455.60 - Step 4: Simplify right side
2,081,893.04x = 3,379,927,433,293.55 - Step 5: Solve for x
x = 3,379,927,433,293.55/2,081,893.04 - Step 6: Final answer
x = 1,623,487.55
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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.