Finding the Fourth Proportional to 5,556,463.99, 7,669,111.49 and 3,381,707.54
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Solution
The fourth proportional to 5,556,463.99, 7,669,111.49 and 3,381,707.54 is: 4,667,481.37
Step by Step Solution
- Step 1: Write the proportion equation
5,556,463.99 : 7,669,111.49 = 3,381,707.54 : x - Step 2: Convert to fraction form
5,556,463.99/7,669,111.49 = 3,381,707.54/x - Step 3: Cross multiply
5,556,463.99x = 7,669,111.49 × 3,381,707.54 - Step 4: Simplify right side
5,556,463.99x = 25,934,692,165,779.28 - Step 5: Solve for x
x = 25,934,692,165,779.28/5,556,463.99 - Step 6: Final answer
x = 4,667,481.37
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1.5x scale
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.