Finding the Fourth Proportional to 1,556,178.36, 2,147,483.36 and 867,871.14
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Solution
The fourth proportional to 1,556,178.36, 2,147,483.36 and 867,871.14 is: 1,197,638.32
Step by Step Solution
- Step 1: Write the proportion equation
1,556,178.36 : 2,147,483.36 = 867,871.14 : x - Step 2: Convert to fraction form
1,556,178.36/2,147,483.36 = 867,871.14/x - Step 3: Cross multiply
1,556,178.36x = 2,147,483.36 × 867,871.14 - Step 4: Simplify right side
1,556,178.36x = 1,863,738,831,774.23 - Step 5: Solve for x
x = 1,863,738,831,774.23/1,556,178.36 - Step 6: Final answer
x = 1,197,638.32
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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.