Finding the Fourth Proportional to 5,275,182.84, 7,912,536.48 and 2,199,907.32
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Solution
The fourth proportional to 5,275,182.84, 7,912,536.48 and 2,199,907.32 is: 3,299,761.82
Step by Step Solution
- Step 1: Write the proportion equation
5,275,182.84 : 7,912,536.48 = 2,199,907.32 : x - Step 2: Convert to fraction form
5,275,182.84/7,912,536.48 = 2,199,907.32/x - Step 3: Cross multiply
5,275,182.84x = 7,912,536.48 × 2,199,907.32 - Step 4: Simplify right side
5,275,182.84x = 17,406,846,922,119.03 - Step 5: Solve for x
x = 17,406,846,922,119.03/5,275,182.84 - Step 6: Final answer
x = 3,299,761.82
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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.