Finding the Fourth Proportional to 2,269,819.68, 3,132,317.28 and 1,251,202.56
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Solution
The fourth proportional to 2,269,819.68, 3,132,317.28 and 1,251,202.56 is: 1,726,640.86
Step by Step Solution
- Step 1: Write the proportion equation
2,269,819.68 : 3,132,317.28 = 1,251,202.56 : x - Step 2: Convert to fraction form
2,269,819.68/3,132,317.28 = 1,251,202.56/x - Step 3: Cross multiply
2,269,819.68x = 3,132,317.28 × 1,251,202.56 - Step 4: Simplify right side
2,269,819.68x = 3,919,163,399,468.24 - Step 5: Solve for x
x = 3,919,163,399,468.24/2,269,819.68 - Step 6: Final answer
x = 1,726,640.86
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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.