Finding the Fourth Proportional to 3,881,586.78, 5,823,265.92 and 1,186,295.19
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Solution
The fourth proportional to 3,881,586.78, 5,823,265.92 and 1,186,295.19 is: 1,779,713.49
Step by Step Solution
- Step 1: Write the proportion equation
3,881,586.78 : 5,823,265.92 = 1,186,295.19 : x - Step 2: Convert to fraction form
3,881,586.78/5,823,265.92 = 1,186,295.19/x - Step 3: Cross multiply
3,881,586.78x = 5,823,265.92 × 1,186,295.19 - Step 4: Simplify right side
3,881,586.78x = 6,908,112,350,986.93 - Step 5: Solve for x
x = 6,908,112,350,986.93/3,881,586.78 - Step 6: Final answer
x = 1,779,713.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.