Finding the Fourth Proportional to 2,620,835.20, 3,616,901.44 and 1,574,576.42
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Solution
The fourth proportional to 2,620,835.20, 3,616,901.44 and 1,574,576.42 is: 2,173,004.90
Step by Step Solution
- Step 1: Write the proportion equation
2,620,835.20 : 3,616,901.44 = 1,574,576.42 : x - Step 2: Convert to fraction form
2,620,835.20/3,616,901.44 = 1,574,576.42/x - Step 3: Cross multiply
2,620,835.20x = 3,616,901.44 × 1,574,576.42 - Step 4: Simplify right side
2,620,835.20x = 5,695,087,720,888.05 - Step 5: Solve for x
x = 5,695,087,720,888.05/2,620,835.20 - Step 6: Final answer
x = 2,173,004.90
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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.