Finding the Fourth Proportional to 3,819,142.06, 5,270,554.62 and 2,187,864.70
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Solution
The fourth proportional to 3,819,142.06, 5,270,554.62 and 2,187,864.70 is: 3,019,332.67
Step by Step Solution
- Step 1: Write the proportion equation
3,819,142.06 : 5,270,554.62 = 2,187,864.70 : x - Step 2: Convert to fraction form
3,819,142.06/5,270,554.62 = 2,187,864.70/x - Step 3: Cross multiply
3,819,142.06x = 5,270,554.62 × 2,187,864.70 - Step 4: Simplify right side
3,819,142.06x = 11,531,260,389,343.53 - Step 5: Solve for x
x = 11,531,260,389,343.53/3,819,142.06 - Step 6: Final answer
x = 3,019,332.67
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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.