Finding the Fourth Proportional to 7,213,562.35, 10,820,365.05 and 1,748,635.49
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Solution
The fourth proportional to 7,213,562.35, 10,820,365.05 and 1,748,635.49 is: 2,622,958.45
Step by Step Solution
- Step 1: Write the proportion equation
7,213,562.35 : 10,820,365.05 = 1,748,635.49 : x - Step 2: Convert to fraction form
7,213,562.35/10,820,365.05 = 1,748,635.49/x - Step 3: Cross multiply
7,213,562.35x = 10,820,365.05 × 1,748,635.49 - Step 4: Simplify right side
7,213,562.35x = 18,920,874,321,102.79 - Step 5: Solve for x
x = 18,920,874,321,102.79/7,213,562.35 - Step 6: Final answer
x = 2,622,958.45
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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.