Finding the Fourth Proportional to 5,615,472.99, 8,424,139.97 and 1,971,257.56
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Solution
The fourth proportional to 5,615,472.99, 8,424,139.97 and 1,971,257.56 is: 2,957,212.98
Step by Step Solution
- Step 1: Write the proportion equation
5,615,472.99 : 8,424,139.97 = 1,971,257.56 : x - Step 2: Convert to fraction form
5,615,472.99/8,424,139.97 = 1,971,257.56/x - Step 3: Cross multiply
5,615,472.99x = 8,424,139.97 × 1,971,257.56 - Step 4: Simplify right side
5,615,472.99x = 16,606,149,602,360.68 - Step 5: Solve for x
x = 16,606,149,602,360.68/5,615,472.99 - Step 6: Final answer
x = 2,957,212.98
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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.