Finding the Fourth Proportional to 2,568,326.16, 3,544,246.62 and 1,422,381.90
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Solution
The fourth proportional to 2,568,326.16, 3,544,246.62 and 1,422,381.90 is: 1,962,862.94
Step by Step Solution
- Step 1: Write the proportion equation
2,568,326.16 : 3,544,246.62 = 1,422,381.90 : x - Step 2: Convert to fraction form
2,568,326.16/3,544,246.62 = 1,422,381.90/x - Step 3: Cross multiply
2,568,326.16x = 3,544,246.62 × 1,422,381.90 - Step 4: Simplify right side
2,568,326.16x = 5,041,272,241,424.18 - Step 5: Solve for x
x = 5,041,272,241,424.18/2,568,326.16 - Step 6: Final answer
x = 1,962,862.94
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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.