Finding the Fourth Proportional to 2,446,811.90, 3,670,217.85 and 1,942,927.10
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Solution
The fourth proportional to 2,446,811.90, 3,670,217.85 and 1,942,927.10 is: 2,914,390.65
Step by Step Solution
- Step 1: Write the proportion equation
2,446,811.90 : 3,670,217.85 = 1,942,927.10 : x - Step 2: Convert to fraction form
2,446,811.90/3,670,217.85 = 1,942,927.10/x - Step 3: Cross multiply
2,446,811.90x = 3,670,217.85 × 1,942,927.10 - Step 4: Simplify right side
2,446,811.90x = 7,130,965,723,668.74 - Step 5: Solve for x
x = 7,130,965,723,668.74/2,446,811.90 - Step 6: Final answer
x = 2,914,390.65
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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.