Finding the Fourth Proportional to 1,451,023.14, 2,176,497.45 and 386,074.20
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Solution
The fourth proportional to 1,451,023.14, 2,176,497.45 and 386,074.20 is: 579,101.39
Step by Step Solution
- Step 1: Write the proportion equation
1,451,023.14 : 2,176,497.45 = 386,074.20 : x - Step 2: Convert to fraction form
1,451,023.14/2,176,497.45 = 386,074.20/x - Step 3: Cross multiply
1,451,023.14x = 2,176,497.45 × 386,074.20 - Step 4: Simplify right side
1,451,023.14x = 840,289,511,810.79 - Step 5: Solve for x
x = 840,289,511,810.79/1,451,023.14 - Step 6: Final answer
x = 579,101.39
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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.