Finding the Fourth Proportional to 2,063,416.78, 2,847,604.07 and 1,145,645.96
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Solution
The fourth proportional to 2,063,416.78, 2,847,604.07 and 1,145,645.96 is: 1,581,040.79
Step by Step Solution
- Step 1: Write the proportion equation
2,063,416.78 : 2,847,604.07 = 1,145,645.96 : x - Step 2: Convert to fraction form
2,063,416.78/2,847,604.07 = 1,145,645.96/x - Step 3: Cross multiply
2,063,416.78x = 2,847,604.07 × 1,145,645.96 - Step 4: Simplify right side
2,063,416.78x = 3,262,346,098,475.06 - Step 5: Solve for x
x = 3,262,346,098,475.06/2,063,416.78 - Step 6: Final answer
x = 1,581,040.79
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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.