Finding the Fourth Proportional to 4,182,633.76, 5,768,780.49 and 3,025,420.99
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Solution
The fourth proportional to 4,182,633.76, 5,768,780.49 and 3,025,420.99 is: 4,172,727.18
Step by Step Solution
- Step 1: Write the proportion equation
4,182,633.76 : 5,768,780.49 = 3,025,420.99 : x - Step 2: Convert to fraction form
4,182,633.76/5,768,780.49 = 3,025,420.99/x - Step 3: Cross multiply
4,182,633.76x = 5,768,780.49 × 3,025,420.99 - Step 4: Simplify right side
4,182,633.76x = 17,452,989,581,148.49 - Step 5: Solve for x
x = 17,452,989,581,148.49/4,182,633.76 - Step 6: Final answer
x = 4,172,727.18
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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.