Finding the Fourth Proportional to 1,127,982.49, 1,556,609.22 and 611,731.23
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Solution
The fourth proportional to 1,127,982.49, 1,556,609.22 and 611,731.23 is: 844,185.50
Step by Step Solution
- Step 1: Write the proportion equation
1,127,982.49 : 1,556,609.22 = 611,731.23 : x - Step 2: Convert to fraction form
1,127,982.49/1,556,609.22 = 611,731.23/x - Step 3: Cross multiply
1,127,982.49x = 1,556,609.22 × 611,731.23 - Step 4: Simplify right side
1,127,982.49x = 952,226,461,938.24 - Step 5: Solve for x
x = 952,226,461,938.24/1,127,982.49 - Step 6: Final answer
x = 844,185.50
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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.