Finding the Fourth Proportional to 5,417,178.24, 7,475,658.21 and 2,969,744.79
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Solution
The fourth proportional to 5,417,178.24, 7,475,658.21 and 2,969,744.79 is: 4,098,221.63
Step by Step Solution
- Step 1: Write the proportion equation
5,417,178.24 : 7,475,658.21 = 2,969,744.79 : x - Step 2: Convert to fraction form
5,417,178.24/7,475,658.21 = 2,969,744.79/x - Step 3: Cross multiply
5,417,178.24x = 7,475,658.21 × 2,969,744.79 - Step 4: Simplify right side
5,417,178.24x = 22,200,797,020,968.23 - Step 5: Solve for x
x = 22,200,797,020,968.23/5,417,178.24 - Step 6: Final answer
x = 4,098,221.63
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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.