Finding the Fourth Proportional to 4,221,600.91, 5,827,817.90 and 2,828,561.49
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Solution
The fourth proportional to 4,221,600.91, 5,827,817.90 and 2,828,561.49 is: 3,904,760.69
Step by Step Solution
- Step 1: Write the proportion equation
4,221,600.91 : 5,827,817.90 = 2,828,561.49 : x - Step 2: Convert to fraction form
4,221,600.91/5,827,817.90 = 2,828,561.49/x - Step 3: Cross multiply
4,221,600.91x = 5,827,817.90 × 2,828,561.49 - Step 4: Simplify right side
4,221,600.91x = 16,484,341,289,744.08 - Step 5: Solve for x
x = 16,484,341,289,744.08/4,221,600.91 - Step 6: Final answer
x = 3,904,760.69
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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.