Finding the Fourth Proportional to 3,654,369.99, 5,041,871.24 and 2,126,181.87
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Solution
The fourth proportional to 3,654,369.99, 5,041,871.24 and 2,126,181.87 is: 2,933,456.45
Step by Step Solution
- Step 1: Write the proportion equation
3,654,369.99 : 5,041,871.24 = 2,126,181.87 : x - Step 2: Convert to fraction form
3,654,369.99/5,041,871.24 = 2,126,181.87/x - Step 3: Cross multiply
3,654,369.99x = 5,041,871.24 × 2,126,181.87 - Step 4: Simplify right side
3,654,369.99x = 10,719,935,210,731.51 - Step 5: Solve for x
x = 10,719,935,210,731.51/3,654,369.99 - Step 6: Final answer
x = 2,933,456.45
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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.