Finding the Fourth Proportional to 2,267,366.96, 3,128,958.24 and 1,248,769.28
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Solution
The fourth proportional to 2,267,366.96, 3,128,958.24 and 1,248,769.28 is: 1,723,297.11
Step by Step Solution
- Step 1: Write the proportion equation
2,267,366.96 : 3,128,958.24 = 1,248,769.28 : x - Step 2: Convert to fraction form
2,267,366.96/3,128,958.24 = 1,248,769.28/x - Step 3: Cross multiply
2,267,366.96x = 3,128,958.24 × 1,248,769.28 - Step 4: Simplify right side
2,267,366.96x = 3,907,346,928,514.87 - Step 5: Solve for x
x = 3,907,346,928,514.87/2,267,366.96 - Step 6: Final answer
x = 1,723,297.11
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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.