Finding the Fourth Proportional to 1,984,185.84, 2,738,270.16 and 1,124,762.88
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Solution
The fourth proportional to 1,984,185.84, 2,738,270.16 and 1,124,762.88 is: 1,552,225.89
Step by Step Solution
- Step 1: Write the proportion equation
1,984,185.84 : 2,738,270.16 = 1,124,762.88 : x - Step 2: Convert to fraction form
1,984,185.84/2,738,270.16 = 1,124,762.88/x - Step 3: Cross multiply
1,984,185.84x = 2,738,270.16 × 1,124,762.88 - Step 4: Simplify right side
1,984,185.84x = 3,079,904,631,379.66 - Step 5: Solve for x
x = 3,079,904,631,379.66/1,984,185.84 - Step 6: Final answer
x = 1,552,225.89
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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.