Finding the Fourth Proportional to 5,523,161.28, 7,621,749.99 and 3,075,875.49
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Solution
The fourth proportional to 5,523,161.28, 7,621,749.99 and 3,075,875.49 is: 4,244,589.79
Step by Step Solution
- Step 1: Write the proportion equation
5,523,161.28 : 7,621,749.99 = 3,075,875.49 : x - Step 2: Convert to fraction form
5,523,161.28/7,621,749.99 = 3,075,875.49/x - Step 3: Cross multiply
5,523,161.28x = 7,621,749.99 × 3,075,875.49 - Step 4: Simplify right side
5,523,161.28x = 23,443,553,985,148.75 - Step 5: Solve for x
x = 23,443,553,985,148.75/5,523,161.28 - Step 6: Final answer
x = 4,244,589.79
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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.