Finding the Fourth Proportional to 3,368,239.80, 5,064,801.30 and 2,820,809.40
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Solution
The fourth proportional to 3,368,239.80, 5,064,801.30 and 2,820,809.40 is: 4,241,633.60
Step by Step Solution
- Step 1: Write the proportion equation
3,368,239.80 : 5,064,801.30 = 2,820,809.40 : x - Step 2: Convert to fraction form
3,368,239.80/5,064,801.30 = 2,820,809.40/x - Step 3: Cross multiply
3,368,239.80x = 5,064,801.30 × 2,820,809.40 - Step 4: Simplify right side
3,368,239.80x = 14,286,839,116,172.22 - Step 5: Solve for x
x = 14,286,839,116,172.22/3,368,239.80 - Step 6: Final answer
x = 4,241,633.60
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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.