Finding the Fourth Proportional to 2,175,202.82, 3,001,678.05 and 1,208,392.09
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Solution
The fourth proportional to 2,175,202.82, 3,001,678.05 and 1,208,392.09 is: 1,667,524.50
Step by Step Solution
- Step 1: Write the proportion equation
2,175,202.82 : 3,001,678.05 = 1,208,392.09 : x - Step 2: Convert to fraction form
2,175,202.82/3,001,678.05 = 1,208,392.09/x - Step 3: Cross multiply
2,175,202.82x = 3,001,678.05 × 1,208,392.09 - Step 4: Simplify right side
2,175,202.82x = 3,627,204,009,373.90 - Step 5: Solve for x
x = 3,627,204,009,373.90/2,175,202.82 - Step 6: Final answer
x = 1,667,524.50
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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.