Finding the Fourth Proportional to 2,183,983.88, 3,013,009.99 and 1,449,284.62
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Solution
The fourth proportional to 2,183,983.88, 3,013,009.99 and 1,449,284.62 is: 1,999,423.66
Step by Step Solution
- Step 1: Write the proportion equation
2,183,983.88 : 3,013,009.99 = 1,449,284.62 : x - Step 2: Convert to fraction form
2,183,983.88/3,013,009.99 = 1,449,284.62/x - Step 3: Cross multiply
2,183,983.88x = 3,013,009.99 × 1,449,284.62 - Step 4: Simplify right side
2,183,983.88x = 4,366,709,038,413.35 - Step 5: Solve for x
x = 4,366,709,038,413.35/2,183,983.88 - Step 6: Final answer
x = 1,999,423.66
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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.