Finding the Fourth Proportional to 1,585,926.16, 2,378,868.60 and 387,858.84
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Solution
The fourth proportional to 1,585,926.16, 2,378,868.60 and 387,858.84 is: 581,783.21
Step by Step Solution
- Step 1: Write the proportion equation
1,585,926.16 : 2,378,868.60 = 387,858.84 : x - Step 2: Convert to fraction form
1,585,926.16/2,378,868.60 = 387,858.84/x - Step 3: Cross multiply
1,585,926.16x = 2,378,868.60 × 387,858.84 - Step 4: Simplify right side
1,585,926.16x = 922,665,215,708.42 - Step 5: Solve for x
x = 922,665,215,708.42/1,585,926.16 - Step 6: Final answer
x = 581,783.21
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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.