Finding the Fourth Proportional to 2,021,011.20, 3,031,516.80 and 958,129.20
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Solution
The fourth proportional to 2,021,011.20, 3,031,516.80 and 958,129.20 is: 1,437,193.80
Step by Step Solution
- Step 1: Write the proportion equation
2,021,011.20 : 3,031,516.80 = 958,129.20 : x - Step 2: Convert to fraction form
2,021,011.20/3,031,516.80 = 958,129.20/x - Step 3: Cross multiply
2,021,011.20x = 3,031,516.80 × 958,129.20 - Step 4: Simplify right side
2,021,011.20x = 2,904,584,766,370.56 - Step 5: Solve for x
x = 2,904,584,766,370.56/2,021,011.20 - Step 6: Final answer
x = 1,437,193.80
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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.