Finding the Fourth Proportional to 2,845,729.48, 3,927,023.14 and 1,556,541.96
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Solution
The fourth proportional to 2,845,729.48, 3,927,023.14 and 1,556,541.96 is: 2,147,982.21
Step by Step Solution
- Step 1: Write the proportion equation
2,845,729.48 : 3,927,023.14 = 1,556,541.96 : x - Step 2: Convert to fraction form
2,845,729.48/3,927,023.14 = 1,556,541.96/x - Step 3: Cross multiply
2,845,729.48x = 3,927,023.14 × 1,556,541.96 - Step 4: Simplify right side
2,845,729.48x = 6,112,576,295,300.95 - Step 5: Solve for x
x = 6,112,576,295,300.95/2,845,729.48 - Step 6: Final answer
x = 2,147,982.21
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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.