Finding the Fourth Proportional to 2,868,774.97, 3,958,996.56 and 1,579,661.49
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Solution
The fourth proportional to 2,868,774.97, 3,958,996.56 and 1,579,661.49 is: 2,179,980.82
Step by Step Solution
- Step 1: Write the proportion equation
2,868,774.97 : 3,958,996.56 = 1,579,661.49 : x - Step 2: Convert to fraction form
2,868,774.97/3,958,996.56 = 1,579,661.49/x - Step 3: Cross multiply
2,868,774.97x = 3,958,996.56 × 1,579,661.49 - Step 4: Simplify right side
2,868,774.97x = 6,253,874,404,874.48 - Step 5: Solve for x
x = 6,253,874,404,874.48/2,868,774.97 - Step 6: Final answer
x = 2,179,980.82
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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.