Finding the Fourth Proportional to 1,585,790.54, 2,378,664.47 and 387,723.14
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Solution
The fourth proportional to 1,585,790.54, 2,378,664.47 and 387,723.14 is: 581,579.49
Step by Step Solution
- Step 1: Write the proportion equation
1,585,790.54 : 2,378,664.47 = 387,723.14 : x - Step 2: Convert to fraction form
1,585,790.54/2,378,664.47 = 387,723.14/x - Step 3: Cross multiply
1,585,790.54x = 2,378,664.47 × 387,723.14 - Step 4: Simplify right side
1,585,790.54x = 922,263,257,314.84 - Step 5: Solve for x
x = 922,263,257,314.84/1,585,790.54 - Step 6: Final answer
x = 581,579.49
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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.