Finding the Fourth Proportional to 3,787,023.90, 5,226,134.58 and 2,068,195.02
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Solution
The fourth proportional to 3,787,023.90, 5,226,134.58 and 2,068,195.02 is: 2,854,131.85
Step by Step Solution
- Step 1: Write the proportion equation
3,787,023.90 : 5,226,134.58 = 2,068,195.02 : x - Step 2: Convert to fraction form
3,787,023.90/5,226,134.58 = 2,068,195.02/x - Step 3: Cross multiply
3,787,023.90x = 5,226,134.58 × 2,068,195.02 - Step 4: Simplify right side
3,787,023.90x = 10,808,665,512,205.79 - Step 5: Solve for x
x = 10,808,665,512,205.79/3,787,023.90 - Step 6: Final answer
x = 2,854,131.85
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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.