Finding the Fourth Proportional to 1,214,102.56, 1,675,475.09 and 670,238.62
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Solution
The fourth proportional to 1,214,102.56, 1,675,475.09 and 670,238.62 is: 924,936.78
Step by Step Solution
- Step 1: Write the proportion equation
1,214,102.56 : 1,675,475.09 = 670,238.62 : x - Step 2: Convert to fraction form
1,214,102.56/1,675,475.09 = 670,238.62/x - Step 3: Cross multiply
1,214,102.56x = 1,675,475.09 × 670,238.62 - Step 4: Simplify right side
1,214,102.56x = 1,122,968,112,165.98 - Step 5: Solve for x
x = 1,122,968,112,165.98/1,214,102.56 - Step 6: Final answer
x = 924,936.78
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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.