Finding the Fourth Proportional to 5,237,819.60, 7,854,438.99 and 2,642,527.64
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Solution
The fourth proportional to 5,237,819.60, 7,854,438.99 and 2,642,527.64 is: 3,962,635.92
Step by Step Solution
- Step 1: Write the proportion equation
5,237,819.60 : 7,854,438.99 = 2,642,527.64 : x - Step 2: Convert to fraction form
5,237,819.60/7,854,438.99 = 2,642,527.64/x - Step 3: Cross multiply
5,237,819.60x = 7,854,438.99 × 2,642,527.64 - Step 4: Simplify right side
5,237,819.60x = 20,755,572,088,496.49 - Step 5: Solve for x
x = 20,755,572,088,496.49/5,237,819.60 - Step 6: Final answer
x = 3,962,635.92
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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.