Finding the Fourth Proportional to 2,851,728.99, 3,933,222.03 and 2,065,646.09
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Solution
The fourth proportional to 2,851,728.99, 3,933,222.03 and 2,065,646.09 is: 2,849,024.13
Step by Step Solution
- Step 1: Write the proportion equation
2,851,728.99 : 3,933,222.03 = 2,065,646.09 : x - Step 2: Convert to fraction form
2,851,728.99/3,933,222.03 = 2,065,646.09/x - Step 3: Cross multiply
2,851,728.99x = 3,933,222.03 × 2,065,646.09 - Step 4: Simplify right side
2,851,728.99x = 8,124,644,717,204.42 - Step 5: Solve for x
x = 8,124,644,717,204.42/2,851,728.99 - Step 6: Final answer
x = 2,849,024.13
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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.