Finding the Fourth Proportional to 3,165,866, 4,740,921.12 and 2,214,783.44
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Solution
The fourth proportional to 3,165,866, 4,740,921.12 and 2,214,783.44 is: 3,316,663.94
Step by Step Solution
- Step 1: Write the proportion equation
3,165,866 : 4,740,921.12 = 2,214,783.44 : x - Step 2: Convert to fraction form
3,165,866/4,740,921.12 = 2,214,783.44/x - Step 3: Cross multiply
3,165,866x = 4,740,921.12 × 2,214,783.44 - Step 4: Simplify right side
3,165,866x = 10,500,113,586,922.25 - Step 5: Solve for x
x = 10,500,113,586,922.25/3,165,866 - Step 6: Final answer
x = 3,316,663.94
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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.