Finding the Fourth Proportional to 1,863,363.86, 2,794,358.19 and 664,965.62
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Solution
The fourth proportional to 1,863,363.86, 2,794,358.19 and 664,965.62 is: 997,203.05
Step by Step Solution
- Step 1: Write the proportion equation
1,863,363.86 : 2,794,358.19 = 664,965.62 : x - Step 2: Convert to fraction form
1,863,363.86/2,794,358.19 = 664,965.62/x - Step 3: Cross multiply
1,863,363.86x = 2,794,358.19 × 664,965.62 - Step 4: Simplify right side
1,863,363.86x = 1,858,152,126,315.43 - Step 5: Solve for x
x = 1,858,152,126,315.43/1,863,363.86 - Step 6: Final answer
x = 997,203.05
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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.