Finding the Fourth Proportional to 1,471,556.85, 2,031,303.39 and 859,908.42
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Solution
The fourth proportional to 1,471,556.85, 2,031,303.39 and 859,908.42 is: 1,186,997.90
Step by Step Solution
- Step 1: Write the proportion equation
1,471,556.85 : 2,031,303.39 = 859,908.42 : x - Step 2: Convert to fraction form
1,471,556.85/2,031,303.39 = 859,908.42/x - Step 3: Cross multiply
1,471,556.85x = 2,031,303.39 × 859,908.42 - Step 4: Simplify right side
1,471,556.85x = 1,746,734,888,635.54 - Step 5: Solve for x
x = 1,746,734,888,635.54/1,471,556.85 - Step 6: Final answer
x = 1,186,997.90
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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.