Finding the Fourth Proportional to 1,620,323.16, 2,428,202.94 and 1,239,770.52
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Solution
The fourth proportional to 1,620,323.16, 2,428,202.94 and 1,239,770.52 is: 1,857,909.89
Step by Step Solution
- Step 1: Write the proportion equation
1,620,323.16 : 2,428,202.94 = 1,239,770.52 : x - Step 2: Convert to fraction form
1,620,323.16/2,428,202.94 = 1,239,770.52/x - Step 3: Cross multiply
1,620,323.16x = 2,428,202.94 × 1,239,770.52 - Step 4: Simplify right side
1,620,323.16x = 3,010,414,421,589.33 - Step 5: Solve for x
x = 3,010,414,421,589.33/1,620,323.16 - Step 6: Final answer
x = 1,857,909.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.