Finding the Fourth Proportional to 2,813,395.51, 3,882,489.65 and 1,524,235.96
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Solution
The fourth proportional to 2,813,395.51, 3,882,489.65 and 1,524,235.96 is: 2,103,447.71
Step by Step Solution
- Step 1: Write the proportion equation
2,813,395.51 : 3,882,489.65 = 1,524,235.96 : x - Step 2: Convert to fraction form
2,813,395.51/3,882,489.65 = 1,524,235.96/x - Step 3: Cross multiply
2,813,395.51x = 3,882,489.65 × 1,524,235.96 - Step 4: Simplify right side
2,813,395.51x = 5,917,830,338,857.81 - Step 5: Solve for x
x = 5,917,830,338,857.81/2,813,395.51 - Step 6: Final answer
x = 2,103,447.71
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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.