Finding the Fourth Proportional to 2,539,593.84, 3,810,636.20 and 1,191,866.02
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Solution
The fourth proportional to 2,539,593.84, 3,810,636.20 and 1,191,866.02 is: 1,788,383.53
Step by Step Solution
- Step 1: Write the proportion equation
2,539,593.84 : 3,810,636.20 = 1,191,866.02 : x - Step 2: Convert to fraction form
2,539,593.84/3,810,636.20 = 1,191,866.02/x - Step 3: Cross multiply
2,539,593.84x = 3,810,636.20 × 1,191,866.02 - Step 4: Simplify right side
2,539,593.84x = 4,541,767,801,361.92 - Step 5: Solve for x
x = 4,541,767,801,361.92/2,539,593.84 - Step 6: Final answer
x = 1,788,383.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.