Finding the Fourth Proportional to 3,179,030.97, 4,387,083.36 and 1,728,742.17
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Solution
The fourth proportional to 3,179,030.97, 4,387,083.36 and 1,728,742.17 is: 2,385,675.41
Step by Step Solution
- Step 1: Write the proportion equation
3,179,030.97 : 4,387,083.36 = 1,728,742.17 : x - Step 2: Convert to fraction form
3,179,030.97/4,387,083.36 = 1,728,742.17/x - Step 3: Cross multiply
3,179,030.97x = 4,387,083.36 × 1,728,742.17 - Step 4: Simplify right side
3,179,030.97x = 7,584,136,007,737.29 - Step 5: Solve for x
x = 7,584,136,007,737.29/3,179,030.97 - Step 6: Final answer
x = 2,385,675.41
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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.