Finding the Fourth Proportional to 1,556,203.55, 2,147,556.58 and 867,876.05
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Solution
The fourth proportional to 1,556,203.55, 2,147,556.58 and 867,876.05 is: 1,197,666.53
Step by Step Solution
- Step 1: Write the proportion equation
1,556,203.55 : 2,147,556.58 = 867,876.05 : x - Step 2: Convert to fraction form
1,556,203.55/2,147,556.58 = 867,876.05/x - Step 3: Cross multiply
1,556,203.55x = 2,147,556.58 × 867,876.05 - Step 4: Simplify right side
1,556,203.55x = 1,863,812,906,724.75 - Step 5: Solve for x
x = 1,863,812,906,724.75/1,556,203.55 - Step 6: Final answer
x = 1,197,666.53
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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.