Finding the Fourth Proportional to 1,585,806.76, 2,378,688.84 and 387,739.39
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Solution
The fourth proportional to 1,585,806.76, 2,378,688.84 and 387,739.39 is: 581,603.88
Step by Step Solution
- Step 1: Write the proportion equation
1,585,806.76 : 2,378,688.84 = 387,739.39 : x - Step 2: Convert to fraction form
1,585,806.76/2,378,688.84 = 387,739.39/x - Step 3: Cross multiply
1,585,806.76x = 2,378,688.84 × 387,739.39 - Step 4: Simplify right side
1,585,806.76x = 922,311,359,821.41 - Step 5: Solve for x
x = 922,311,359,821.41/1,585,806.76 - Step 6: Final answer
x = 581,603.88
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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.