Finding the Fourth Proportional to 1,518,977.70, 2,276,473.41 and 1,117,739.70
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Solution
The fourth proportional to 1,518,977.70, 2,276,473.41 and 1,117,739.70 is: 1,675,142.90
Step by Step Solution
- Step 1: Write the proportion equation
1,518,977.70 : 2,276,473.41 = 1,117,739.70 : x - Step 2: Convert to fraction form
1,518,977.70/2,276,473.41 = 1,117,739.70/x - Step 3: Cross multiply
1,518,977.70x = 2,276,473.41 × 1,117,739.70 - Step 4: Simplify right side
1,518,977.70x = 2,544,504,706,351.38 - Step 5: Solve for x
x = 2,544,504,706,351.38/1,518,977.70 - Step 6: Final answer
x = 1,675,142.90
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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.