Finding the Fourth Proportional to 2,486,567.68, 3,431,981.28 and 1,625,531.20
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Solution
The fourth proportional to 2,486,567.68, 3,431,981.28 and 1,625,531.20 is: 2,243,571.61
Step by Step Solution
- Step 1: Write the proportion equation
2,486,567.68 : 3,431,981.28 = 1,625,531.20 : x - Step 2: Convert to fraction form
2,486,567.68/3,431,981.28 = 1,625,531.20/x - Step 3: Cross multiply
2,486,567.68x = 3,431,981.28 × 1,625,531.20 - Step 4: Simplify right side
2,486,567.68x = 5,578,792,648,455.94 - Step 5: Solve for x
x = 5,578,792,648,455.94/2,486,567.68 - Step 6: Final answer
x = 2,243,571.61
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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.