Finding the Fourth Proportional to 5,537,517.21, 7,641,775.13 and 3,056,739.27
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Solution
The fourth proportional to 5,537,517.21, 7,641,775.13 and 3,056,739.27 is: 4,218,300.95
Step by Step Solution
- Step 1: Write the proportion equation
5,537,517.21 : 7,641,775.13 = 3,056,739.27 : x - Step 2: Convert to fraction form
5,537,517.21/7,641,775.13 = 3,056,739.27/x - Step 3: Cross multiply
5,537,517.21x = 7,641,775.13 × 3,056,739.27 - Step 4: Simplify right side
5,537,517.21x = 23,358,914,132,380.36 - Step 5: Solve for x
x = 23,358,914,132,380.36/5,537,517.21 - Step 6: Final answer
x = 4,218,300.95
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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.