Finding the Fourth Proportional to 1,556,173.84, 2,147,477.10 and 867,866.64
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Solution
The fourth proportional to 1,556,173.84, 2,147,477.10 and 867,866.64 is: 1,197,632.09
Step by Step Solution
- Step 1: Write the proportion equation
1,556,173.84 : 2,147,477.10 = 867,866.64 : x - Step 2: Convert to fraction form
1,556,173.84/2,147,477.10 = 867,866.64/x - Step 3: Cross multiply
1,556,173.84x = 2,147,477.10 × 867,866.64 - Step 4: Simplify right side
1,556,173.84x = 1,863,723,735,253.94 - Step 5: Solve for x
x = 1,863,723,735,253.94/1,556,173.84 - Step 6: Final answer
x = 1,197,632.09
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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.