Finding the Fourth Proportional to 2,041,107.64, 2,816,429.34 and 1,225,138.48
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Solution
The fourth proportional to 2,041,107.64, 2,816,429.34 and 1,225,138.48 is: 1,690,511.51
Step by Step Solution
- Step 1: Write the proportion equation
2,041,107.64 : 2,816,429.34 = 1,225,138.48 : x - Step 2: Convert to fraction form
2,041,107.64/2,816,429.34 = 1,225,138.48/x - Step 3: Cross multiply
2,041,107.64x = 2,816,429.34 × 1,225,138.48 - Step 4: Simplify right side
2,041,107.64x = 3,450,515,960,635.00 - Step 5: Solve for x
x = 3,450,515,960,635.00/2,041,107.64 - Step 6: Final answer
x = 1,690,511.51
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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.