Finding the Fourth Proportional to 1,585,793.75, 2,378,669.36 and 387,726.39
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Solution
The fourth proportional to 1,585,793.75, 2,378,669.36 and 387,726.39 is: 581,584.39
Step by Step Solution
- Step 1: Write the proportion equation
1,585,793.75 : 2,378,669.36 = 387,726.39 : x - Step 2: Convert to fraction form
1,585,793.75/2,378,669.36 = 387,726.39/x - Step 3: Cross multiply
1,585,793.75x = 2,378,669.36 × 387,726.39 - Step 4: Simplify right side
1,585,793.75x = 922,272,882,017.78 - Step 5: Solve for x
x = 922,272,882,017.78/1,585,793.75 - Step 6: Final answer
x = 581,584.39
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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.