Finding the Fourth Proportional to 1,556,177.36, 2,147,481.98 and 867,870.14
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Solution
The fourth proportional to 1,556,177.36, 2,147,481.98 and 867,870.14 is: 1,197,636.94
Step by Step Solution
- Step 1: Write the proportion equation
1,556,177.36 : 2,147,481.98 = 867,870.14 : x - Step 2: Convert to fraction form
1,556,177.36/2,147,481.98 = 867,870.14/x - Step 3: Cross multiply
1,556,177.36x = 2,147,481.98 × 867,870.14 - Step 4: Simplify right side
1,556,177.36x = 1,863,735,486,630.08 - Step 5: Solve for x
x = 1,863,735,486,630.08/1,556,177.36 - Step 6: Final answer
x = 1,197,636.94
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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.