Finding the Fourth Proportional to 7,173,154.80, 10,759,780.64 and 2,622,331.49
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Solution
The fourth proportional to 7,173,154.80, 10,759,780.64 and 2,622,331.49 is: 3,933,514.94
Step by Step Solution
- Step 1: Write the proportion equation
7,173,154.80 : 10,759,780.64 = 2,622,331.49 : x - Step 2: Convert to fraction form
7,173,154.80/10,759,780.64 = 2,622,331.49/x - Step 3: Cross multiply
7,173,154.80x = 10,759,780.64 × 2,622,331.49 - Step 4: Simplify right side
7,173,154.80x = 28,215,711,550,521.28 - Step 5: Solve for x
x = 28,215,711,550,521.28/7,173,154.80 - Step 6: Final answer
x = 3,933,514.94
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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.