Finding the Fourth Proportional to 5,322,513.24, 7,983,769.02 and 1,279,001.08
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Solution
The fourth proportional to 5,322,513.24, 7,983,769.02 and 1,279,001.08 is: 1,918,501.42
Step by Step Solution
- Step 1: Write the proportion equation
5,322,513.24 : 7,983,769.02 = 1,279,001.08 : x - Step 2: Convert to fraction form
5,322,513.24/7,983,769.02 = 1,279,001.08/x - Step 3: Cross multiply
5,322,513.24x = 7,983,769.02 × 1,279,001.08 - Step 4: Simplify right side
5,322,513.24x = 10,211,249,199,050.54 - Step 5: Solve for x
x = 10,211,249,199,050.54/5,322,513.24 - Step 6: Final answer
x = 1,918,501.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.