Finding the Fourth Proportional to 4,234,135.78, 5,843,148.53 and 2,398,554.81
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Solution
The fourth proportional to 4,234,135.78, 5,843,148.53 and 2,398,554.81 is: 3,310,028.95
Step by Step Solution
- Step 1: Write the proportion equation
4,234,135.78 : 5,843,148.53 = 2,398,554.81 : x - Step 2: Convert to fraction form
4,234,135.78/5,843,148.53 = 2,398,554.81/x - Step 3: Cross multiply
4,234,135.78x = 5,843,148.53 × 2,398,554.81 - Step 4: Simplify right side
4,234,135.78x = 14,015,112,023,362.95 - Step 5: Solve for x
x = 14,015,112,023,362.95/4,234,135.78 - Step 6: Final answer
x = 3,310,028.95
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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.