Finding the Fourth Proportional to 3,231,988.47, 4,460,174.17 and 1,781,735.80
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Solution
The fourth proportional to 3,231,988.47, 4,460,174.17 and 1,781,735.80 is: 2,458,811.99
Step by Step Solution
- Step 1: Write the proportion equation
3,231,988.47 : 4,460,174.17 = 1,781,735.80 : x - Step 2: Convert to fraction form
3,231,988.47/4,460,174.17 = 1,781,735.80/x - Step 3: Cross multiply
3,231,988.47x = 4,460,174.17 × 1,781,735.80 - Step 4: Simplify right side
3,231,988.47x = 7,946,851,992,924.29 - Step 5: Solve for x
x = 7,946,851,992,924.29/3,231,988.47 - Step 6: Final answer
x = 2,458,811.99
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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.