Finding the Fourth Proportional to 4,799,156.88, 6,622,859.90 and 2,623,700.13
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Solution
The fourth proportional to 4,799,156.88, 6,622,859.90 and 2,623,700.13 is: 3,620,718.99
Step by Step Solution
- Step 1: Write the proportion equation
4,799,156.88 : 6,622,859.90 = 2,623,700.13 : x - Step 2: Convert to fraction form
4,799,156.88/6,622,859.90 = 2,623,700.13/x - Step 3: Cross multiply
4,799,156.88x = 6,622,859.90 × 2,623,700.13 - Step 4: Simplify right side
4,799,156.88x = 17,376,398,418,205.69 - Step 5: Solve for x
x = 17,376,398,418,205.69/4,799,156.88 - Step 6: Final answer
x = 3,620,718.99
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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.