Finding the Fourth Proportional to 3,279,331.80, 4,527,583.56 and 2,057,312.88
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Solution
The fourth proportional to 3,279,331.80, 4,527,583.56 and 2,057,312.88 is: 2,840,412.79
Step by Step Solution
- Step 1: Write the proportion equation
3,279,331.80 : 4,527,583.56 = 2,057,312.88 : x - Step 2: Convert to fraction form
3,279,331.80/4,527,583.56 = 2,057,312.88/x - Step 3: Cross multiply
3,279,331.80x = 4,527,583.56 × 2,057,312.88 - Step 4: Simplify right side
3,279,331.80x = 9,314,655,973,264.25 - Step 5: Solve for x
x = 9,314,655,973,264.25/3,279,331.80 - Step 6: Final answer
x = 2,840,412.79
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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.