Finding the Fourth Proportional to 2,128,625.58, 2,937,480.32 and 1,161,748.02
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Solution
The fourth proportional to 2,128,625.58, 2,937,480.32 and 1,161,748.02 is: 1,603,199.73
Step by Step Solution
- Step 1: Write the proportion equation
2,128,625.58 : 2,937,480.32 = 1,161,748.02 : x - Step 2: Convert to fraction form
2,128,625.58/2,937,480.32 = 1,161,748.02/x - Step 3: Cross multiply
2,128,625.58x = 2,937,480.32 × 1,161,748.02 - Step 4: Simplify right side
2,128,625.58x = 3,412,611,945,548.97 - Step 5: Solve for x
x = 3,412,611,945,548.97/2,128,625.58 - Step 6: Final answer
x = 1,603,199.73
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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.