Finding the Fourth Proportional to 5,373,934.23, 7,415,693.06 and 2,959,486.23
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Solution
The fourth proportional to 5,373,934.23, 7,415,693.06 and 2,959,486.23 is: 4,083,905.86
Step by Step Solution
- Step 1: Write the proportion equation
5,373,934.23 : 7,415,693.06 = 2,959,486.23 : x - Step 2: Convert to fraction form
5,373,934.23/7,415,693.06 = 2,959,486.23/x - Step 3: Cross multiply
5,373,934.23x = 7,415,693.06 × 2,959,486.23 - Step 4: Simplify right side
5,373,934.23x = 21,946,641,482,179.13 - Step 5: Solve for x
x = 21,946,641,482,179.13/5,373,934.23 - Step 6: Final answer
x = 4,083,905.86
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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.