Finding the Fourth Proportional to 2,629,372.68, 3,628,534.32 and 1,422,148.68
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Solution
The fourth proportional to 2,629,372.68, 3,628,534.32 and 1,422,148.68 is: 1,962,565.19
Step by Step Solution
- Step 1: Write the proportion equation
2,629,372.68 : 3,628,534.32 = 1,422,148.68 : x - Step 2: Convert to fraction form
2,629,372.68/3,628,534.32 = 1,422,148.68/x - Step 3: Cross multiply
2,629,372.68x = 3,628,534.32 × 1,422,148.68 - Step 4: Simplify right side
2,629,372.68x = 5,160,315,293,522.70 - Step 5: Solve for x
x = 5,160,315,293,522.70/2,629,372.68 - Step 6: Final answer
x = 1,962,565.19
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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.