Finding the Fourth Proportional to 2,351,145.07, 3,244,615.75 and 1,318,881.68
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Solution
The fourth proportional to 2,351,145.07, 3,244,615.75 and 1,318,881.68 is: 1,820,076.66
Step by Step Solution
- Step 1: Write the proportion equation
2,351,145.07 : 3,244,615.75 = 1,318,881.68 : x - Step 2: Convert to fraction form
2,351,145.07/3,244,615.75 = 1,318,881.68/x - Step 3: Cross multiply
2,351,145.07x = 3,244,615.75 × 1,318,881.68 - Step 4: Simplify right side
2,351,145.07x = 4,279,264,271,314.46 - Step 5: Solve for x
x = 4,279,264,271,314.46/2,351,145.07 - Step 6: Final answer
x = 1,820,076.66
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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.