Finding the Fourth Proportional to 2,183,982.88, 3,013,008.61 and 1,449,283.62
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Solution
The fourth proportional to 2,183,982.88, 3,013,008.61 and 1,449,283.62 is: 1,999,422.27
Step by Step Solution
- Step 1: Write the proportion equation
2,183,982.88 : 3,013,008.61 = 1,449,283.62 : x - Step 2: Convert to fraction form
2,183,982.88/3,013,008.61 = 1,449,283.62/x - Step 3: Cross multiply
2,183,982.88x = 3,013,008.61 × 1,449,283.62 - Step 4: Simplify right side
2,183,982.88x = 4,366,704,010,326.93 - Step 5: Solve for x
x = 4,366,704,010,326.93/2,183,982.88 - Step 6: Final answer
x = 1,999,422.27
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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.