Finding the Fourth Proportional to 2,819,795.84, 3,891,291.68 and 1,530,608.64
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Solution
The fourth proportional to 2,819,795.84, 3,891,291.68 and 1,530,608.64 is: 2,112,225.50
Step by Step Solution
- Step 1: Write the proportion equation
2,819,795.84 : 3,891,291.68 = 1,530,608.64 : x - Step 2: Convert to fraction form
2,819,795.84/3,891,291.68 = 1,530,608.64/x - Step 3: Cross multiply
2,819,795.84x = 3,891,291.68 × 1,530,608.64 - Step 4: Simplify right side
2,819,795.84x = 5,956,044,666,168.12 - Step 5: Solve for x
x = 5,956,044,666,168.12/2,819,795.84 - Step 6: Final answer
x = 2,112,225.50
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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.