Finding the Fourth Proportional to 1,965,817.76, 2,948,727.85 and 545,873.99
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Solution
The fourth proportional to 1,965,817.76, 2,948,727.85 and 545,873.99 is: 818,811.31
Step by Step Solution
- Step 1: Write the proportion equation
1,965,817.76 : 2,948,727.85 = 545,873.99 : x - Step 2: Convert to fraction form
1,965,817.76/2,948,727.85 = 545,873.99/x - Step 3: Cross multiply
1,965,817.76x = 2,948,727.85 × 545,873.99 - Step 4: Simplify right side
1,965,817.76x = 1,609,633,820,795.30 - Step 5: Solve for x
x = 1,609,633,820,795.30/1,965,817.76 - Step 6: Final answer
x = 818,811.31
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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.