Finding the Fourth Proportional to 2,842,135.49, 4,255,563.79 and 2,164,991.09
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Solution
The fourth proportional to 2,842,135.49, 4,255,563.79 and 2,164,991.09 is: 3,241,667.29
Step by Step Solution
- Step 1: Write the proportion equation
2,842,135.49 : 4,255,563.79 = 2,164,991.09 : x - Step 2: Convert to fraction form
2,842,135.49/4,255,563.79 = 2,164,991.09/x - Step 3: Cross multiply
2,842,135.49x = 4,255,563.79 × 2,164,991.09 - Step 4: Simplify right side
2,842,135.49x = 9,213,257,669,705.05 - Step 5: Solve for x
x = 9,213,257,669,705.05/2,842,135.49 - Step 6: Final answer
x = 3,241,667.29
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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.