Finding the Fourth Proportional to 1,424,011.68, 2,133,658.80 and 1,001,221.92
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Solution
The fourth proportional to 1,424,011.68, 2,133,658.80 and 1,001,221.92 is: 1,500,174.47
Step by Step Solution
- Step 1: Write the proportion equation
1,424,011.68 : 2,133,658.80 = 1,001,221.92 : x - Step 2: Convert to fraction form
1,424,011.68/2,133,658.80 = 1,001,221.92/x - Step 3: Cross multiply
1,424,011.68x = 2,133,658.80 × 1,001,221.92 - Step 4: Simplify right side
1,424,011.68x = 2,136,265,960,360.90 - Step 5: Solve for x
x = 2,136,265,960,360.90/1,424,011.68 - Step 6: Final answer
x = 1,500,174.47
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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.