Finding the Fourth Proportional to 5,148,896.70, 7,720,262.18 and 1,737,107.75
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Solution
The fourth proportional to 5,148,896.70, 7,720,262.18 and 1,737,107.75 is: 2,604,621.54
Step by Step Solution
- Step 1: Write the proportion equation
5,148,896.70 : 7,720,262.18 = 1,737,107.75 : x - Step 2: Convert to fraction form
5,148,896.70/7,720,262.18 = 1,737,107.75/x - Step 3: Cross multiply
5,148,896.70x = 7,720,262.18 × 1,737,107.75 - Step 4: Simplify right side
5,148,896.70x = 13,410,927,260,325.93 - Step 5: Solve for x
x = 13,410,927,260,325.93/5,148,896.70 - Step 6: Final answer
x = 2,604,621.54
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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.