Finding the Fourth Proportional to 3,881,763.37, 5,356,854.70 and 2,251,137.53
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Solution
The fourth proportional to 3,881,763.37, 5,356,854.70 and 2,251,137.53 is: 3,106,582.12
Step by Step Solution
- Step 1: Write the proportion equation
3,881,763.37 : 5,356,854.70 = 2,251,137.53 : x - Step 2: Convert to fraction form
3,881,763.37/5,356,854.70 = 2,251,137.53/x - Step 3: Cross multiply
3,881,763.37x = 5,356,854.70 × 2,251,137.53 - Step 4: Simplify right side
3,881,763.37x = 12,059,016,665,691.18 - Step 5: Solve for x
x = 12,059,016,665,691.18/3,881,763.37 - Step 6: Final answer
x = 3,106,582.12
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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.