Finding the Fourth Proportional to 5,348,796.42, 8,023,107.15 and 2,153,842.14
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Solution
The fourth proportional to 5,348,796.42, 8,023,107.15 and 2,153,842.14 is: 3,230,727.98
Step by Step Solution
- Step 1: Write the proportion equation
5,348,796.42 : 8,023,107.15 = 2,153,842.14 : x - Step 2: Convert to fraction form
5,348,796.42/8,023,107.15 = 2,153,842.14/x - Step 3: Cross multiply
5,348,796.42x = 8,023,107.15 × 2,153,842.14 - Step 4: Simplify right side
5,348,796.42x = 17,280,506,273,405.30 - Step 5: Solve for x
x = 17,280,506,273,405.30/5,348,796.42 - Step 6: Final answer
x = 3,230,727.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.