Finding the Fourth Proportional to 3,556,822.26, 4,908,881.97 and 2,028,579.06
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Solution
The fourth proportional to 3,556,822.26, 4,908,881.97 and 2,028,579.06 is: 2,799,705.59
Step by Step Solution
- Step 1: Write the proportion equation
3,556,822.26 : 4,908,881.97 = 2,028,579.06 : x - Step 2: Convert to fraction form
3,556,822.26/4,908,881.97 = 2,028,579.06/x - Step 3: Cross multiply
3,556,822.26x = 4,908,881.97 × 2,028,579.06 - Step 4: Simplify right side
3,556,822.26x = 9,958,055,172,353.55 - Step 5: Solve for x
x = 9,958,055,172,353.55/3,556,822.26 - Step 6: Final answer
x = 2,799,705.59
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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.