Finding the Fourth Proportional to 3,117,274.47, 4,671,777.99 and 1,600,896.15
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Solution
The fourth proportional to 3,117,274.47, 4,671,777.99 and 1,600,896.15 is: 2,399,221.33
Step by Step Solution
- Step 1: Write the proportion equation
3,117,274.47 : 4,671,777.99 = 1,600,896.15 : x - Step 2: Convert to fraction form
3,117,274.47/4,671,777.99 = 1,600,896.15/x - Step 3: Cross multiply
3,117,274.47x = 4,671,777.99 × 1,600,896.15 - Step 4: Simplify right side
3,117,274.47x = 7,479,031,397,845.74 - Step 5: Solve for x
x = 7,479,031,397,845.74/3,117,274.47 - Step 6: Final answer
x = 2,399,221.33
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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.